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Satellite image of part of the Great Barrier Reef, considered by some measures to be the world's largest living thing.
Satellite image of part of the Great Barrier Reef, considered by some measures to be the world's largest living thing. The Great Barrier Reef is the largest Coral reef system in the world composed of over 2900 individual reefs and 900 islands stretching for 2600 kilometres (1600 mi
An aspen grove at Fishlake National Forest, similar in appearance to the one known as Pando.
An aspen grove at Fishlake National Forest, similar in appearance to the one known as Pando. Fishlake National Forest is located in south central Utah, USA Pando (or The Trembling Giant) is a Clonal colony of a single male Quaking Aspen ( Populus tremuloides) tree located in the U

The largest organism found on earth can be measured using a variety of methods. It could be defined as the largest by volume, mass, height, or length. The volume of any solid plasma vacuum or theoretical object is how much three- Dimensional space it occupies often quantified numerically Mass is a fundamental concept in Physics, roughly corresponding to the Intuitive idea of how much Matter there is in an object Height is the measurement of vertical Distance, but has two meanings in common use Length is the long Dimension of any object The length of a thing is the distance between its ends its linear extent as measured from end to end Some creatures group together to form a superorganism, though this cannot truly be classed as one large organism. A superorganism is an Organism consisting of many organisms This is usually meant to be a Social unit of eusocial animals where Division of labour (The Great Barrier Reef, the world's largest coral reef (stretching 2,000 km) has been shown to be a collection of many organisms and is the largest known superorganism. The Great Barrier Reef is the largest Coral reef system in the world composed of over 2900 individual reefs and 900 islands stretching for 2600 kilometres (1600 mi Coral reefs are Aragonite structures produced by living organisms found in marine waters with little to no nutrients in the water A superorganism is an Organism consisting of many organisms This is usually meant to be a Social unit of eusocial animals where Division of labour )

The Aspen tree (Populus tremuloides) forms large stands of genetically identical trees (technically, stems) connected by a single underground root system. Aspens are Trees of the willow family and comprise a section of the Poplar genus Populus sect "Ramet" redirects here For the commune in Alba County, Romania see Râmeţ. This article discusses root systems in mathematics For root systems of Plants see Root. These trees form through root sprouts coming off an original parent tree, though the root system may not remain a single unit in all specimens. The largest known fully-connected Aspen is a grove in Utah nicknamed Pando, and some experts call it the largest[1] organism in the world, by mass or volume. Pando (or The Trembling Giant) is a Clonal colony of a single male Quaking Aspen ( Populus tremuloides) tree located in the U [2] It covers 43 hectares (. Explanation The hectare is commonly used in most countries around the world especially in domains concerned with land planning and management such as Agriculture, 43 km²) and is estimated to weigh 6,600 short tons (6,000 t). Square Kilometre ( US spelling square kilometer) symbol km2, is a decimal multiple of the SI unit of [3]

A giant fungus of the species Armillaria ostoyae in the Malheur National Forest in Oregon was found to span 8. Armillaria ostoyae is a Fungus commonly known as a Honey mushroom, and sometimes called Shoestring Rot. The Malheur National Forest is a National Forest in the US state of Oregon. Oregon ( is a state in the Pacific Northwest region of the United States. 9 km² (2,200 acres)[4], which would make it the largest organism by area. Square Kilometre ( US spelling square kilometer) symbol km2, is a decimal multiple of the SI unit of The acre is a unit of Area in a number of different systems including the imperial and U Whether or not this is an actual individual organism, however, is disputed: some tests have indicated that they have the same genetic makeup [5], but unless its mycelium is fully connected, it is a clonal colony of numerous smaller individuals. History See also History of genetics The existence of genes was first suggested by Gregor Mendel (1822-1884 who in the 1860s studied inheritance Mycelium (plural mycelia) is the vegetative part of a Fungus, consisting of a mass of branching thread-like Hyphae The mass of hyphae is sometimes called "Ramet" redirects here For the commune in Alba County, Romania see Râmeţ. Another clonal colony that rivals the Armillaria and the Populus colonies in size is a strand of the giant marine plant, Posidonia oceanica, discovered in the Mediterranean Sea near the Balearic Islands. Honey fungus or Armillaria is a Genus of parasitic fungi that live on trees and woody shrubs Populus is a genus of between 25–35 species of Flowering plants in the family Salicaceae, native to most of the Northern Hemisphere. Pos(eidonia also refers to the city of Magna Graecia later known as Paestum Posidonia is a genus of Flowering plants The Balearic Islands ( Catalan and official Illes Balears; Spanish: Islas Baleares) are an Archipelago in the western Mediterranean It covers a band roughly 8 km (4. The kilometre ( American spelling: kilometer) symbol km is a unit of Length in the Metric system, equal to one thousand 3 miles) in length. A mile is a unit of Length, usually used to measure Distance, in a number of different systems including Imperial units United States [6]

Excluding multi-stem trees, the General Sherman tree, an individual Giant Sequoia with a volume of 1487 m³, would hold the title of the world's largest living organism, if measured in volume or mass. General Sherman is the name of a Giant Sequoia. It is one of the tallest Giant Sequoia Trees in the world with a height of about 275 feet (84 Sequoiadendron giganteum ( Giant Sequoia, Sierra Redwood, or Wellingtonia) is the sole species in the genus Sequoiadendron CM3 redirects here If you were looking for the 3rd game in the Cooking Mama series abbreviated as CM3 see here. The volume of any solid plasma vacuum or theoretical object is how much three- Dimensional space it occupies often quantified numerically Mass is a fundamental concept in Physics, roughly corresponding to the Intuitive idea of how much Matter there is in an object [7] This tree stands 83. 8 m (274 ft 11 in) tall and the trunk alone is estimated to weigh over 2000 tons. The metre or meter is a unit of Length. It is the basic unit of Length in the Metric system and in the International A foot (plural feet or foot; symbol or abbreviation ft or sometimes &prime – the prime symbol) is a non-SI unit Inches redirects here To see the Les Savy Fav album see Inches. The largest single-stem tree ever measured was the “Lindsey Creek Tree,” a coastal redwood with a minimum trunk volume of over 2500 m³ and a mass of over 3600 tons, which fell over during a storm in 1905. Sequoia sempervirens is the sole living Species of the Genus Sequoia in the cypress family Cupressaceae (formerly CM3 redirects here If you were looking for the 3rd game in the Cooking Mama series abbreviated as CM3 see here. [8]

By volume and weight, the largest known animal ever to have lived is the blue whale, an endangered species whose official record length is 33. The Blue Whale ( Balaenoptera musculus) is a Marine mammal belonging to the suborder of Baleen whales (called Mysticeti An endangered species is a population of an organism which is at risk of becoming Extinct because it is either few in numbers or threatened by changing environmental or predation 58 m (110 ft 2 in), and weight 210 tons (for a pregnant female). The largest land animals today are male Savannah Elephants; one known example weighed roughly 12,272 kg (27,000 lb), although some extinct species, including many dinosaurs, were much larger. Male (♂ refers to the sex of an organism or part of an organism which produces small mobile Gametes called spermatozoa. The African Bush Elephant ( Loxodonta africana) is the larger of the two Species of African elephant. The pound or pound-mass (abbreviation lb, lbm, or sometimes in the United States #) is a unit of Mass In Biology and Ecology, extinction is the cessation of existence of a Species or group of taxa.

Contents

Vertebrates

Mammals

The Blue Whale is the largest known animal in the world.
The Blue Whale is the largest known animal in the world. The Blue Whale ( Balaenoptera musculus) is a Marine mammal belonging to the suborder of Baleen whales (called Mysticeti

A member of the order Cetacea, the Blue Whale (Balaenoptera musculus) is believed to be the largest animal to have ever lived. The Order Cetacea (sɪˈteɪʃiə L cetus, whale includes Whales Dolphins and Porpoises Cetus is The Blue Whale ( Balaenoptera musculus) is a Marine mammal belonging to the suborder of Baleen whales (called Mysticeti The maximum recorded weight was 190 tonnes (209 tons) for a specimen measuring 30 m (100 ft) in length, while longer ones, up to 33. This article is about the tonne or metric ton For other tons see Ton. 3 m (110 ft), have been recorded but not weighed.

The African Bush Elephant (Loxodonta africana), of the order Proboscidea, is the largest living land animal. The African Bush Elephant ( Loxodonta africana) is the larger of the two Species of African elephant. Proboscidea is an order containing only one family of living animals Elephantidae the Elephants with three living Species ( African Bush At birth it is common for an elephant calf to weigh 100 kg (225 lb). Birth is the act or process of bearing or bringing forth Offspring. The largest elephant ever recorded was shot in Angola in 1974. Angola, officially the Republic of Angola (República de Angola Pronounced ʁɛˈpublikɐ dɨ ɐ̃ˈgɔlɐ Repubilika ya Ngola is a country in south-central It was a male and weighed 12,272 kg or 13. 5 tons (27,000 lb), with an overall length (trunk to tail) of 10. 6 m (35 ft) and a shoulder height of 4. 2 m (13. 7 ft).

The African Bush Elephant, the largest living terrestrial animal.
The African Bush Elephant, the largest living terrestrial animal. The African Bush Elephant ( Loxodonta africana) is the larger of the two Species of African elephant.
The Eastern Lowland Gorilla is the largest living primate.
The Eastern Lowland Gorilla is the largest living primate. The Eastern Lowland Gorilla ( Gorilla beringei graueri) is a subspecies of Eastern Gorilla that is now only found in the forests of eastern Democratic Republic

Reptiles (Reptilia)

See also: dinosaur size
The saltwater crocodile is the largest living reptile.
The saltwater crocodile is the largest living reptile. Size has been one of the most interesting aspects of Dinosaur science to the general public The saltwater or estuarine crocodile ( Crocodylus porosus) is the largest of all living Crocodilians and Reptiles It is found in suitable

The largest living reptile, a representative of the order Crocodilia, is the saltwater crocodile (Crocodylus porosus), with adult males being typically 4. Reptiles, or members of the class Reptilia are air-breathing Cold-blooded Vertebrates that have skin covered in scales as opposed to hair or feathers Crocodilia is an order of large Reptiles that appeared about 84 million years ago in the late Cretaceous Period ( Campanian stage The saltwater or estuarine crocodile ( Crocodylus porosus) is the largest of all living Crocodilians and Reptiles It is found in suitable 5 to 5 m (14. 8 to 16. 5 ft) long. The largest confirmed saltwater crocodile on record was 20. 6 ft (6. 3 m) long, and weighed over 1,900 kg (4,100 lb). [16] Unconfirmed reports of much larger crocodiles exist, but examinations of incomplete remains have never suggested a length greater than 23 ft (7 m). [1]

Extinct crocodilians were sometimes much larger, such as Deinosuchus, at up to 12 m (40 ft) and 9. Deinosuchus (meaning "terrible crocodile" is an Extinct Genus of Alligatorid from the Upper Cretaceous ( 1 tonnes (10 tons), Sarcosuchus imperator, also at up to 12 m (40 ft) and 13. Sarcosuchus (ˌsɑrkoʊˈsuːkəs meaning 'flesh Crocodile ' and commonly called "SuperCroc", is an Extinct Genus 6 tonnes (15 tons), and Rhamphosuchus, possibly up to 18 m (60 ft) long. Rhamphosuchus ("Beak crocodile" is an extinct relative of the modern Gharial and false gharial

Size comparison of selected giant sauropod dinosaurs. Bruhathkayosaurus (gray) and Amphicoelias fragillimus (red) size estimates are based on incomplete fossil evidence.
Size comparison of selected giant sauropod dinosaurs. Bruhathkayosaurus (gray) and Amphicoelias fragillimus (red) size estimates are based on incomplete fossil evidence. Bruhathkayosaurus (bruːˌhæθkeɪoʊˈsɔrəs meaning 'huge bodied lizard' might have been the largest Dinosaur that ever lived Amphicoelias (ˌæmfɨˈsiːliəs meaning 'doubly hollow' from the Greek amphi: "on both sides" and koilos: "hollow concave"
All of the largest dinosaurs, and the largest animals to ever live on land, were plant-eating sauropods. Sauropoda (sɔˈrɒpədə or the sauropods (/ˈsɔroʊpɒd/ are a suborder or infraorder of the Saurischian ("lizard-hipped" The tallest and heaviest sauropod known from a complete skeleton is the Brachiosaurus which was discovered in Tanzania between 1907 and 1912, and is now mounted in the Humboldt Museum of Berlin. Brachiosaurus (ˌbrækiəˈsɔrəs meaning "arm lizard" from the Greek brachion /βραχιων meaning "arm" and sauros Tanzania ˌtænzəˈniːə officially the United Republic of Tanzania (Jamhuri ya Muungano wa Tanzania is a country in East Africa bordered by Kenya The Museum für Naturkunde (in English, the Museum of Natural History) widely known as the Naturkundemuseum, occasionally as the Humboldt Museum Berlin is the capital city and one of sixteen states of Germany. It is 12 m (38 ft) tall, and probably weighed between 30,000 – 60,000 kg (30 – 65 tons). The longest is the 27 m (89 ft) long Diplodocus which was discovered in Wyoming, and mounted in Pittsburgh's Carnegie Natural History Museum in 1907. Diplodocus (dɪˈplɒdəkəs /daɪˈplɒdəkəs/ Diplodocus is among the most easily identifiable dinosaurs with its classic dinosaur shape long neck The State of Wyoming ( is a sparsely populated state in the western region of the United States. This article is about an organization that operates museums For the foundation which supports scientific research refer to the Carnegie Institution of Washington.
There were larger sauropods, but they are known from only a few bones. Bones are rigid organs that form part of the Endoskeleton of Vertebrates They function to move support and protect the various organs of the body produce The current record-holders were all discovered since 1970, and include the massive Argentinosaurus, which may have weighed 80,000 – 100,000 kg (90 to 110 tons); the longest, the 35 m (112 ft) long Supersaurus; and the tallest, the 18 m (60 ft) Sauroposeidon, which could have reached into a 6th-floor window. Argentinosaurus (meaning " Argentina lizard" was a herbivorous Sauropod Dinosaur Genus that was among the largest Supersaurus (meaning "super lizard" is a Genus of Diplodocid Sauropod Dinosaur discovered in the Upper Jurassic Sauroposeidon (pronounced SAWR-o-po-SIE-don meaning " Earthquake - Lizard God " is a Genus of Sauropod Diplodocus hallorum (formerly known as Seismosaurus) was once thought to have been about 50 m (170 ft) long, making it the longest known vertebrate, but later reconstructions estimate the length at 35 m (115 ft). Diplodocus (dɪˈplɒdəkəs /daɪˈplɒdəkəs/ Diplodocus is among the most easily identifiable dinosaurs with its classic dinosaur shape long neck
Less well described finds may exceed this. Bruhathkayosaurus may have weighed as much as a blue whale and have been considerably longer, and Amphicoelias fragillimus would have been longer still, at an estimated 60m (200 ft), but Bruhathkayosaurus is based on very poor material, and the only fossil of Amphicoelias was lost. Bruhathkayosaurus (bruːˌhæθkeɪoʊˈsɔrəs meaning 'huge bodied lizard' might have been the largest Dinosaur that ever lived Amphicoelias (ˌæmfɨˈsiːliəs meaning 'doubly hollow' from the Greek amphi: "on both sides" and koilos: "hollow concave"
Size comparison of selected giant theropod dinosaurs
Size comparison of selected giant theropod dinosaurs
  • Theropods (Theropoda). The longest and heaviest theropod was the Spinosaurus, at 15 to 17. Theropods (ˈθɪərəpɒd theropoda /θiːˈrɒpədə/ 'beast feet' are a group of Bipedal Saurischian Dinosaurs Although they were primarily Spinosaurus (meaning "spine lizard" is a Genus of theropod Dinosaur which lived in what is now North Africa, from 4 metres (49. The metre or meter is a unit of Length. It is the basic unit of Length in the Metric system and in the International 2 to 57. 1 ft) in length and a weight of up to 9 tons. In the Physical sciences weight is a Measurement of the gravitational Force acting on an object Units of mass There are three similar units of Mass called the ton: Long ton (simply ton in countries such as the United [19] This is significantly more massive than other contenders such as the Giganotosaurus and Tyrannosaurus. Giganotosaurus (meaning 'giant southern lizard' derived from the Ancient Greek gigas/γίγας meaning 'giant' notos/νότος Tyrannosaurus ( or, meaning 'tyrant lizard' is a Genus of Theropod Dinosaur. Spinosaurus is notable for having been the largest terrestrial predator known to exist. Terrestrial animals are Animals that live predominantly or entirely on land as compared with Aquatic animals which live predominantly or entirely in the water (e
  • Armored Dinosaurs (Thyreophora). The longest of the Thyreophorans were Ankylosaurus and Stegosaurus, both of which measured up to 9 m in length. The Thyreophora ("shield bearers" often known simply as "armored dinosaurs" - Greek: θυρεος, a large oblong shield like a door and Ankylosaurus (ˌæŋkɪloʊˈsɔrəs which means ' rigid lizard' is a Genus of Ankylosaurid Dinosaur, containing one Species Stegosaurus (ˌstɛgəˈsɔrəs is a Genus of stegosaurid armoured Dinosaur from the Late Jurassic period (
  • Cerapods (Cerapoda). The largest Cerapods were the hadrosaurids Zhuchengosaurus and Lambeosaurus laticaudus. Cerapoda (siːˈrɒpədə is a Clade or suborder of the order Ornithischia. Hadrosaurids or duck-billed Dinosaurs are members of the family Hadrosauridae, and include Ornithopods such as Edmontosaurus Zhuchengosaurus (meaning " Zhucheng City Lizard " is a Genus of Hadrosaurid ("duckbilled" Dinosaur Lambeosaurus (ˌlæmbioʊˈsɔrəs meaning " Lambe's lizard" is a Genus of Hadrosaurid Dinosaur that lived about 76
    Both species are known from fragmentary remains but are estimated to have reached over 15 m (50 ft) in length[20][21] and weighed over 23 tonnes (50,700 lb). The metre or meter is a unit of Length. It is the basic unit of Length in the Metric system and in the International A foot (plural feet or foot; symbol or abbreviation ft or sometimes &prime – the prime symbol) is a non-SI unit This article is about the tonne or metric ton For other tons see Ton. The pound or pound-mass (abbreviation lb, lbm, or sometimes in the United States #) is a unit of Mass [21]
  • Ceratopsians The largest Ceratopsian was Triceratops. Ceratopsia or Ceratopia (ˌsɛrəˈtɒpsiə/ /ˌsɛrəˈtoʊpiə Greek: "horned faces" is a group of herbivorous, beaked Dinosaurs Triceratops (traɪˈsɛrətɒps is an extinct Genus of herbivorous ceratopsid Dinosaur which lived during the late Maastrichtian Triceratops is estimated to have reached about 8 m (26 ft) in length[22] and weighed 6. The metre or meter is a unit of Length. It is the basic unit of Length in the Metric system and in the International A foot (plural feet or foot; symbol or abbreviation ft or sometimes &prime – the prime symbol) is a non-SI unit 1 tonnes (13,400 lb). This article is about the tonne or metric ton For other tons see Ton. The pound or pound-mass (abbreviation lb, lbm, or sometimes in the United States #) is a unit of Mass [23] The recently discovered Eotriceratops had a skull estimated to be longer than 3 m, and may have been larger than Triceratops. Eotriceratops (meaning "dawn three-horn face" is a Genus of Ceratopsian Dinosaur which lived during the late Cretaceous [24]

Birds (Aves)

The Ostrich is the largest living bird.
The Ostrich is the largest living bird. The Ostrich ( Struthio camelus) is a large Flightless bird native to Africa (and formerly the Middle East)

The largest living bird, a member of the Struthioniformes, is the ostrich (Struthio camelus) reaching a height of over 2. Birds ( class Aves) are bipedal endothermic ( Warm-blooded) Vertebrate animals that lay eggs. A ratite is any of a diverse group of large Flightless birds of Gondwanan origin most of them now extinct The Ostrich ( Struthio camelus) is a large Flightless bird native to Africa (and formerly the Middle East) 7 m (9 ft) and weighing over 156 kg (345 lb). [25] Eggs laid by the Ostrich can weigh 1. 4 kg (3 lb) and are the largest eggs in the world today (and are also the largest single cell of any organism, although the sea algae Caulerpa could be considered the largest metabolically active cell). The cell is the structural and functional unit of all known living Organisms It is the smallest unit of an organism that is classified as living and is often called Caulerpa is a genus of Seaweeds in the family Caulerpaceae (among the Green algae. Metabolism is the set of Chemical reactions that occur in living Organisms in order to maintain Life.

The largest bird in the fossil record may be the extinct Elephant Birds of Madagascar, which were related to the Ostrich. Elephant birds are an extinct family of Flightless Birds comprising the genera Aepyornis and Mullerornis. The Ostrich ( Struthio camelus) is a large Flightless bird native to Africa (and formerly the Middle East) They exceeded 3 m (10 ft) and 500 kg (1,120 lb). The last of the Elephant Birds became extinct about 300 years ago. Elephant birds are an extinct family of Flightless Birds comprising the genera Aepyornis and Mullerornis. Of almost the exact same proportions as the largest Elephant Birds was Dromornis stirtoni of Australia, part of a 26,000-year old group called mihirungs of the family Dromornithidae. Elephant birds are an extinct family of Flightless Birds comprising the genera Aepyornis and Mullerornis. Dromornis stirtoni, or Stirton's Thunder Bird, a member of the family of Dromornithidae, is the largest flightless Bird found through Dromornithidae — the dromornithids — were a family of large flightless Australian Birds of the Pleistocene Epoch Dromornithidae — the dromornithids — were a family of large flightless Australian Birds of the Pleistocene Epoch The tallest bird ever however was the Giant Moa (Dinornis maximus), part of the moa family of New Zealand that went extinct about 200 years ago. The giant moa ( Dinornis) is an extinct genus of Ratite birds belonging to the Moa family This moa stood up to 3. 7 m (12 ft) tall[25] when it was erected in an unnatural position, but weighed about half as much as a large Elephant Bird or mihirung due to its comparatively slender frame. Elephant birds are an extinct family of Flightless Birds comprising the genera Aepyornis and Mullerornis. Dromornithidae — the dromornithids — were a family of large flightless Australian Birds of the Pleistocene Epoch The largest carnivorous bird was the phorusrhacid Brontornis, an extinct flightless bird from South America which reached a weight of 350 to 400 kg (770 to 880 lb) and a height of about 2. Brontornis was a Genus of giant flightless Predatory Birds that lived in Patagonia. 8 m (9. 2 ft).

The largest bird ever capable of flight was Argentavis magnificens, a now extinct member of the Teratornithidae group, with a wingspan of up to 8. Argentavis magnificens (literally "Magnificent Argentine Bird" is the largest flying Bird ever discovered Teratorns were very large birds of prey who lived in North and South America from Miocene to Pleistocene. 3 m (28 ft), a length of over 3 m (10 ft) and a body weight of 80 kg (176 lb. ).

The Eurasian Black Vulture is the biggest of the birds of prey.
The Eurasian Black Vulture is the biggest of the birds of prey. Aegypius redirects here For the hero see Aegypius (mythology The Eurasian Black Vulture ( Aegypius monachus) is also known as the
The Thick-billed Raven shares the title of the largest songbird with its common cousin.
The Thick-billed Raven shares the title of the largest songbird with its common cousin. The Thick-billed Raven ( Corvus crassirostris) a Corvid from the Horn of Africa, shares with the Common Raven the distinction of being the
The Eurasian Eagle Owl is one of the biggest owls.
The Eurasian Eagle Owl is one of the biggest owls. The Eurasian Eagle Owl ( Bubo bubo) is a species of Horned owl resident in much of Europe and Asia.

Amphibians (Amphibia)

A giant salamander, the largest of the surviving amphibians.
A giant salamander, the largest of the surviving amphibians. The Hellbender and Asian giant Salamanders (family Cryptobranchidae) are aquatic Amphibians found in brooks and ponds in the Prehistoric amphibian Amphibians (class Amphibia such as Frogs Toads Salamanders Newts Gymnophiona, Sirens and

The largest living amphibian is the Chinese Giant Salamander (Andrias davidianus). Prehistoric amphibian Amphibians (class Amphibia such as Frogs Toads Salamanders Newts Gymnophiona, Sirens and The Chinese giant salamander ( Andrias davidianus) is the largest Salamander in the world reaching a length of 180 cm (6 ft although it rarely - The maximum size of this river-dweller is 64 kg (140 lb) and 1. 83 m (6 ft). Before amniotes became the dominant tetrapods, several giant amphibian-like tetrapods existed. The amniotes are a group of Tetrapod Vertebrates that include the Synapsida ( Mammals and Mammal-like reptiles and Sauropsida Tetrapods ( Greek τετραποδη tetrapoda, Latin Quadruped, "four-footed" are Vertebrate Animals The largest known was the crocodile-like Prionosuchus, which reached a length of 9 m (30 ft). A crocodile is any Species belonging to the family Crocodylidae (sometimes classified instead as the Subfamily Crocodylinae) Prionosuchus is a genus of extremely large Temnospondyli Amphibian from the Late Permian (270 million years ago which was found in an area of

Ray-finned bony fish (Actinopterygii)

The largest living bony fish is the ocean sunfish, a member of the order Tetraodontiformes. Osteichthyes (ˌɒstiːˈɪkθiːz also called bony fish, are a taxonomic Class of Fish that includes the ray-finned fish ( Actinopterygii The ocean sunfish, Mola mola, or common mola, is the heaviest known bony fish in the world The Tetraodontiformes are an order of highly derived ray-finned fish, also called the Plectognathi. Sunfish have been recorded at sizes as large as a length of nearly 3. The ocean sunfish, Mola mola, or common mola, is the heaviest known bony fish in the world 6 m (12 ft), a height of 4. 5 m (15 ft) from fin to fin and a weight of about 2,273 kg (5,000 lb). Much larger bony fish existed prehistorically, the largest ever known having been Leedsichthys, of the Jurassic period. Osteichthyes (ˌɒstiːˈɪkθiːz also called bony fish, are a taxonomic Class of Fish that includes the ray-finned fish ( Actinopterygii Leedsichthys problematicus was a giant Pachycormid (an extinct group of Mesozoic Bony fish) that lived in the oceans of the Middle Jurassic period The Jurassic is a geologic period and system that extends from about Ma (million years ago to  Ma that is from the end of the Triassic to the beginning Estimates of the size of this fish range from 13. 5 m (45 ft) to 30 m (100 ft), but a maximum size of 22 m (72 ft) seems most realistic.

The ocean sunfish is the largest of the bony fish.
The ocean sunfish is the largest of the bony fish. The ocean sunfish, Mola mola, or common mola, is the heaviest known bony fish in the world
The Atlantic blue marlin is one of the largest species of the perch-like fish.
The Atlantic blue marlin is one of the largest species of the perch-like fish. The Blue marlin ( Makaira nigricans) is a species of Marlin. Particularly native to the Atlantic Ocean. Perca is the genus of fish referred to as perch or sometimes yellow perch, a group of freshwater Fish belonging to the family Percidae

Cartilaginous fish (Chondrichthyes)

A size comparison of a whale shark and a human.
A size comparison of a whale shark and a human. The whale shark, Rhincodon typus, is a slow filter feeding Shark that is the largest living Fish Species.

The largest living cartilaginous fish, of the order Orectolobiformes, is the whale shark, verified in size at up to 13. Chondrichthyes or cartilaginous fishes are jawed Fish with paired fins paired nostrils scales two-chambered hearts and skeletons made of Cartilage rather The order Orectolobiformes, also collectively known as the carpet sharks because many members have carpet-like patterned markings includes a number of familiar types of The whale shark, Rhincodon typus, is a slow filter feeding Shark that is the largest living Fish Species. 6 m (45 ft) long and 22 tons (44,000 lb). There are many accounts of larger whale sharks, but most are probably overestimated. The whale shark, Rhincodon typus, is a slow filter feeding Shark that is the largest living Fish Species.

The manta ray, here seen at Hin Daeng, Thailand, is the largest ray.
The manta ray, here seen at Hin Daeng, Thailand, is the largest ray. The manta ray ( Manta birostris) is the largest of the rays, with the largest known specimen having been more than 7 The Kingdom of Thailand (ˈtaɪlænd ราชอาณาจักรไทย, râːtɕʰa-ʔaːnaːtɕɑ̀k-tʰɑj

Invertebrates

Sponges (Porifera)

Arguably the most primitive form of animals in existence, the largest species of sponge is the barrel sponge, Xestospongia muta. The sponges or poriferans (from Latin porus "pore" and ferre "to bear" are Animals These massively-built sponges can reach 2. The sponges or poriferans (from Latin porus "pore" and ferre "to bear" are Animals 42 m (8 ft) in height and can be of about the same number of feet across the thickest part of the "body".

Cnidarians (Cnidaria)

The lion's mane jellyfish is the largest cnidaria species, of the class Scyphozoa. The lion's mane jellyfish ( Cyanea capillata) is the largest known species of Jellyfish. Cnidaria (naɪˈdɛəriə is a phylum containing some 9000 Species of Animals found exclusively in aquatic mostly marine, environments Jellyfish are free-swimming members of the phylum Cnidaria. They have several different basic morphologies that represent several different cnidarian classes including the The largest specimens of this giant can attain a bell diameter of 2. 5 m (8 ft), a weight of 150 kg (330 lb. ) and can possess tentacles as long as 40 m (120 ft) or more. Tentacles can refer to the elongated flexible organs that are present in some animals especially Invertebrates and sometimes to the hairs of the leaves of some insectivorous

Flatworms (Platyhelminthes)

The largest terrestrial species of this phylum of mostly parasites, called flatworms in common language, is the greenhouse planarian, Bipalium kewense, of the class Turbellaria. Parasitism is a type of symbiotic relationship between Organisms of different Species. The flatworms (Phylum Platyhelminthes from the Greek πλατύ platy, meaning "flat" and ἕλμινς (root ἑλμινθ- helminth- Turbellaria are a group of generally small ( Platyhelminthes. This planarian can reach a length of 60 cm (2 ft) and is quite massive for a flatworm. The flatworms (Phylum Platyhelminthes from the Greek πλατύ platy, meaning "flat" and ἕλμινς (root ἑλμινθ- helminth-

Roundworms (Nematoda)

The largest roundworm, Placentonema gigantisma, is a parasite found in the placentas of sperm whales which can reach up to 9 m in length. The nematodes or roundworms ( Phylum Nematoda from Greek (nema "thread" + -ode "like" are one of the most common The placenta is an Ephemeral organ present in placental Vertebrates, such as Eutherial Mammals and Sharks during Gestation

Segmented worms (Annelida)

The largest of the segmented worms is the African giant earthworm, Microchaetus rappi. The annelids, collectively called Annelida (from Latin anellus "little ring" are a large phylum of Animals comprising This huge worm can reach a length of as much as 6. 7 m (22 ft)[32] and can weigh over 1. 5 kg (3. 1 lb). Only the giant Gippsland earthworm, Megascolides australis, and a few giant polychaetes reach nearly comparable sizes, reaching 4 m (13 ft) and 3. The giant Gippsland earthworm, Megascolides australis, is one of Australia 's 1000 native Earthworm Species. The Polychaeta or polychaetes are a class of Annelid worms generally marine 6 m (11. 9 ft), respectively.

Echinoderms (Echinodermata)

The largest species of echinoderm in terms of bulk is the starfish species, Thromidia catalai, of the class Asteroidea, which reaches a weight of over 6 kg (13. Echinoderms (Phylum Echinodermata) are a phylum of marine Animals (including Sea stars) Starfish (also called sea stars) are any Echinoderms belonging to the class Asteroidea. Starfish (also called sea stars) are any Echinoderms belonging to the class Asteroidea. 2 lb). However, at a maximum span of 63 cm (25 in), it is quite a bit shorter than some other enchinoderms. The longest-bodied enchinoderm is the brisingid starfish Midgardia xandaros, reaching a span of 1. Starfish (also called sea stars) are any Echinoderms belonging to the class Asteroidea. 4 m (4. 5 ft), despite being quite slender.

Ribbon worms (Nemertea)

The largest nemertean, and the longest extant animal, is the bootlace worm, Lineus longissimus. Nemertea is a Phylum of Invertebrate Animals also known as ribbon worms or proboscis worms   The bootlace worm ( Lineus longissimus) is in the phylum Nemertea or ribbon worms A specimen found washed ashore on a beach in St. Andrews, Scotland in 1864 was recorded at a length of 55 m (180 ft). St Andrews (Cill Rìmhinn is a Town and former Royal burgh on the east coast of Fife, Scotland. Scotland ( Gaelic: Alba) is a Country in northwest Europethat occupies the northern third of the island of Great Britain. [34]

Mollusks (Mollusca)

A 7 m (23 ft) Giant Squid, the second largest of all invertebrates, encased in ice in the Melbourne Aquarium.
A 7 m (23 ft) Giant Squid, the second largest of all invertebrates, encased in ice in the Melbourne Aquarium. Melbourne Aquarium is a Southern Ocean and Antarctic aquarium in central Melbourne, Australia.

Both the largest mollusk and the largest of all invertebrates is believed to be the Colossal Squid, Mesonychoteuthis hamiltoni. Molluscs are animals belonging to the phylum Mollusca. There are around 250000 extant Species within the phylum with an estimated 70000 An invertebrate is an Animal lacking a Vertebral column. The group includes 98% of all animal Species — all animals except those in the Chordate The Colossal Squid ( Mesonychoteuthis hamiltoni, from Greek mesos (middle onychos (claw and teuthis (squid sometimes called Current estimates put its maximum size at 12 to 14 metres (39–46 ft) long, based on analysis of smaller specimens. On February 22, 2007, authorities in New Zealand announced the capture of the largest colossal squid seen. It was later measured at 10 m (33 ft) long and 494 kg (1,098 lb) in weight. [35]

The Giant Squid (Architeuthis dux) was previously thought to be the largest squid, and while it is less massive and has a smaller mantle than the colossal squid, it may exceed the colossal squid in overall length including tentacles. The giant squid ( Genus: Architeuthis) is a deep-ocean dwelling Squid in the family Architeuthidae, represented by The giant squid can measure up to 13 m (43 ft) or more from tentacle tip to tail tip, or 2. 25 m (7. 4 ft) in mantle length, and can weigh up to 275 kg (600 lb). [36]

Arthropods (Arthropoda)

In terms of overall size, the Japanese spider crab is the largest of all arthropods.
In terms of overall size, the Japanese spider crab is the largest of all arthropods. The Japanese spider crab, Macrocheira kaempferi, is the largest known Arthropod; fully grown it can reach a leg span of almost 4  m (13 

The Japanese spider crab, Macrocheira kaempferi, a crustacean of the class Malacostraca, is the largest arthropod in the world in overall size, weighing up to 20 kg (44 lb), having a body up to 60 cm (2 ft) long and having a leg span of almost 4 m (13 ft). The Japanese spider crab, Macrocheira kaempferi, is the largest known Arthropod; fully grown it can reach a leg span of almost 4  m (13  Structure of crustaceans As Arthropods crustaceans have a stiff Exoskeleton, which must be shed to allow the animal to grow ( Ecdysis or molting The Malacostraca (Greek "soft shell" are the largest class of Crustaceans and include most of the animals that non-experts recognize as crustaceans including Arthropods are Animals belonging to the Phylum Arthropoda (from Greek ἄρθρον arthron, " Joint " It is indisputably the largest member of Brachyura (crabs). Crabs are decapod Crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (βραχύ / brachy

However, the American lobster, Homarus americanus, another crustacean and the largest member of Astacidea (lobsters and crayfish), rivals the Japanese spider crab in mass, if not dimension. The American lobster, Homarus americanus, is one Species of Lobster found on the Atlantic coast of North America. Structure of crustaceans As Arthropods crustaceans have a stiff Exoskeleton, which must be shed to allow the animal to grow ( Ecdysis or molting Astacidea is a group of decapod Crustaceans including Lobsters Crayfish and their close relatives This lobster has been recorded at heavier weights, up to 22 kg (48. Clawed lobsters compose a family ( Nephropidae, sometimes also Homaridae) of large marine Crustaceans Lobsters are economically important as 4 lb), and can measure 1. 18 m (3. 9 ft) along the body.

The coconut crab, Birgus latro, also a crustacean, is the largest land arthropod and the largest land invertebrate, up to 40 cm (1. The coconut crab ( Birgus latro) is the largest land-living Arthropod in the world 3 ft) long and weighing up to 4 kg (8. 8 lb). Its legs may span 1 m (3. 25 ft).

The largest arthropod ever known to exist was the eurypterid (sea scorpion) Jaekelopterus, which was between 2. The eurypterids (sea scorpions include the largest known Arthropod that ever lived (with the possible exception of Arthropleuridae) Jaekelopterus rhenaniae (" Otto Jaekel 's wing from the Rhineland " is an extinct species of the Eurypterida (sea scorpions 5 and 2. 6 m (8. 2-8. 5 ft) in length [2]. It was closely followed by Pterygotus, an aquatic eurypterid that was up to 2. Pterygotus is the second-largest known Eurypterid, or Sea scorpion and one of the largest Arthropods of all time 3 m (7. 5 ft) in length. The closest living relatives of Eurypterida are the arachnids, horseshoe crabs, and sea spiders. The eurypterids (sea scorpions include the largest known Arthropod that ever lived (with the possible exception of Arthropleuridae) Arachnids are a class ( Arachnida) of joint-legged Invertebrate Animals in the subphylum Chelicerata. The horseshoe crab or Atlantic horseshoe crab ( Limulus polyphemus) is a marine Chelicerate Arthropod. Sea spiders, also called Pantopoda or pycnogonids ('pycnogonid' = Greek for 'thick knee' are marine Arthropods of class Pycnogonida

Insects (Insecta)

Insects, which are a type of arthropod, are easily the most numerous group of organisms on the planet, with about a million species identified so far. Insects ( Class Insecta) are a major group of Arthropods and the most diverse group of Animals on the Earth with over a million described Arthropods are Animals belonging to the Phylum Arthropoda (from Greek ἄρθρον arthron, " Joint " The title of heaviest insect in the world has many rivals, the most frequently-crowned of which is the larval stage of the goliath beetle, Goliathus goliatus, the top size of which is at least 115 g (4. A larva ( Latin; plural larvae) is a juvenile form of Animal with indirect development, undergoing Metamorphosis (for example The Goliath beetles are among the largest insects on Earth, if measured in terms of size bulk and weight 1 oz) and 11. 5 cm (4. 5 in). [40] The largest confirmed weight of an adult insect is 71 grams for a giant weta, Deinacrida heteracantha,[41] although it is likely one of the elephant beetles, Megasoma elephas & Megasoma actaeon, or goliath beetles, both of which can commonly exceed 50 g (3 oz) and 10 cm (4 in), can reach a higher weight. Weta are around 70 Insect Species endemic to the New Zealand Archipelago. Elephant Beetles, Megasoma elephas, are part of the Scarabaeidae Family and the subfamily Dynastinae.

The longest insects are the stick insects, see below.

Representatives of the extinct dragonfly-like order Protodonata such as the Carboniferous Meganeura monyi and the Permian Meganeuropsis permiana are the largest insect species ever known. This article is about the taxonomic rank for the sequence of species in a taxonomic list see Taxonomic order In scientific classification used The Protodonata or Meganisoptera are an extinct order of very large to gigantic Palaeozoic ( Late Carboniferous to Late Permian) insects similar in appearance The Carboniferous is a geologic period and system that extends from the end of the Devonian period about 359 Meganeura monyi was a prehistoric Insect of the Carboniferous period (300 million years ago resembling and related to the present-day Dragonfly The Permian is a geologic period and system that extends from 299 Insects ( Class Insecta) are a major group of Arthropods and the most diverse group of Animals on the Earth with over a million described These creatures had a wingspan of some 70 cm (28 in) and a body weight of over 452 g (1 lb), making them about the size of a crow. The true crows are large Passerine Birds that comprise the Genus Corvus in the family Corvidae.

The goliath beetle is arguably the world's heaviest insect.
The goliath beetle is arguably the world's heaviest insect. The Goliath beetles are among the largest insects on Earth, if measured in terms of size bulk and weight
The Queen Alexandra's birdwing is the largest species of butterfly.
The Queen Alexandra's birdwing is the largest species of butterfly. Queen Alexandra's Birdwing ( Ornithoptera alexandrae) is the largest Butterfly in the world

Plants

General Sherman tree from Sequoia National Park
General Sherman tree from Sequoia National Park

The largest single-stem plants are all members of the conifer division. Sequoia National Park is a National park in the southern Sierra Nevada, east of Visalia California, in the United States of America. By volume and mass, the largest tree is the Giant Sequoia (Sequoiadendron giganteum). The volume of any solid plasma vacuum or theoretical object is how much three- Dimensional space it occupies often quantified numerically Mass is a fundamental concept in Physics, roughly corresponding to the Intuitive idea of how much Matter there is in an object A tree is a perennial Woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or Sequoiadendron giganteum ( Giant Sequoia, Sierra Redwood, or Wellingtonia) is the sole species in the genus Sequoiadendron They grow to an average height of 70 – 85 m (230 – 280 ft) and 5 – 7 m (16 – 23 ft) in diameter. Specimens have been recorded to be up to 93. 6 m (307 ft) in height and (not the same individual) 8. 85 m (29 ft) in diameter; the largest individual is the General Sherman tree, with a volume of 1,489 m³. General Sherman is the name of a Giant Sequoia. It is one of the tallest Giant Sequoia Trees in the world with a height of about 275 feet (84 Although not so large in volume, the closely related Coast Redwood (Sequoia sempervirens) is taller, reaching a maximum height of 115. Sequoia sempervirens is the sole living Species of the Genus Sequoia in the cypress family Cupressaceae (formerly 25 m (380. 3 ft). These trees dwarf any other non-communal organism, as even the largest Blue Whales are likely to weigh one-sixteenth as much as a large Giant Sequoia or Coast Redwood. The Blue Whale ( Balaenoptera musculus) is a Marine mammal belonging to the suborder of Baleen whales (called Mysticeti Sequoiadendron giganteum ( Giant Sequoia, Sierra Redwood, or Wellingtonia) is the sole species in the genus Sequoiadendron Sequoia sempervirens is the sole living Species of the Genus Sequoia in the cypress family Cupressaceae (formerly See record trees for other tree records. A tree is a perennial Woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or

Quaking Aspen in Utah, similar in appearance to Pando.
Quaking Aspen in Utah, similar in appearance to Pando. Pando (or The Trembling Giant) is a Clonal colony of a single male Quaking Aspen ( Populus tremuloides) tree located in the U

Stands of trees connected to a single root system (a single organism genetically) may be considered the largest organisms, and the largest flowering plants. The flowering plants or angiosperms ( Angiospermae or Magnoliophyta) are the most widespread group The largest known such colony is a male Aspen in Utah, nicknamed Pando (Populus tremuloides), which is estimated to weigh in at approximately 6,000 tonnes (6,615 tons). The State of Utah (ˈjuːtɔː or) is a western state of the United States. Pando (or The Trembling Giant) is a Clonal colony of a single male Quaking Aspen ( Populus tremuloides) tree located in the U [1]

Another form of flowering plant that rivals Pando as the largest organism on earth in breadth, if not mass, is the giant marine plant, Posidonia oceanica, discovered in the Mediterranean Sea near the Balearic Islands, Spain. The flowering plants or angiosperms ( Angiospermae or Magnoliophyta) are the most widespread group Pos(eidonia also refers to the city of Magna Graecia later known as Paestum Posidonia is a genus of Flowering plants The Balearic Islands ( Catalan and official Illes Balears; Spanish: Islas Baleares) are an Archipelago in the western Mediterranean Spain () or the Kingdom of Spain (Reino de España is a country located mostly in southwestern Europe on the Iberian Peninsula. Its length is about 8 km (4. 3 miles). Although this plant has not been proven to be a single connected organism, all the samples do have the same DNA. Deoxyribonucleic acid ( DNA) is a Nucleic acid that contains the genetic instructions used in the development and functioning of all known It may also be the oldest living organism in the world, with an estimated age of 100,000 years. [6]

Other records among flowering plants include, the title of largest flower, which belongs to the species Rafflesia arnoldii. The flowering plants or angiosperms ( Angiospermae or Magnoliophyta) are the most widespread group A flower, also known as a bloom or Blossom, is the reproductive structure found in Flowering plants (plants of the division Magnoliophyta, also Rafflesia arnoldii is a member of the genus Rafflesia. It is noted for producing the largest individual flower on earth One of these flowers can reach a diameter of 1 m (3. A flower, also known as a bloom or Blossom, is the reproductive structure found in Flowering plants (plants of the division Magnoliophyta, also 3 ft) and weigh up to 11 kg (24 lb). The largest unbranched inflorescence, resembling (but not qualifying as) a giant flower, belongs to the Titan Arum (Amorphophallus titanum), reaching almost 3 m (10 ft) in height. An inflorescence is a group or cluster of Flowers arranged on a stem that is composed of a main Branch or a complicated arrangement of branches The titan arum or Amorphophallus titanum (from Ancient Greek amorphos, "without form misshapen" + phallos, " Penis The absolute largest inflorescence, at up to 8 m (26. 5 ft) long, is borne by the Talipot palm (Corypha umbraculifera) of India. Corypha umbraculifera ( Talipot palm) is a species of palm, native to southern India ( Malabar coast) and Sri Lanka.

Fungi

The largest living fungus may be a honey fungus[45] of the species Armillaria ostoyae. A fungus (ˈfʌŋgəs is a eukaryotic Organism that is a member of the kingdom Fungi (ˈfʌndʒaɪ Honey fungus or Armillaria is a Genus of parasitic fungi that live on trees and woody shrubs In Biology, a species is one of the basic units of Biological classification and a Taxonomic rank. Armillaria ostoyae is a Fungus commonly known as a Honey mushroom, and sometimes called Shoestring Rot. [46]

A mushroom of this type in the Malheur National Forest in the Blue Mountains of eastern Oregon, U. The Malheur National Forest is a National Forest in the US state of Oregon. The Blue Mountains are a Mountain range located largely in eastern Oregon and stretching into southeastern Washington in the United States Oregon ( is a state in the Pacific Northwest region of the United States. S. was found to be the largest fungal colony in the world, spanning 8. 9 km² (2200 acres) of area. [4] This organism is estimated to be 2400 years old. The fungus was written about in the April 2003 issue of the Canadian Journal of Forest Research. While an accurate estimate has not been made, the total mass of the colony may be as much as 605 tons. Mass is a fundamental concept in Physics, roughly corresponding to the Intuitive idea of how much Matter there is in an object Units of mass There are three similar units of Mass called the ton: Long ton (simply ton in countries such as the United If this colony is considered a single organism, then it is the largest known organism in the world by area, and rivals the aspen grove "Pando" as the known organism with the highest living biomass. Pando (or The Trembling Giant) is a Clonal colony of a single male Quaking Aspen ( Populus tremuloides) tree located in the U Biomass, in Ecology, is the mass of living biological organisms in a given area or Ecosystem at a given time It is not known, however, whether it is a single organism with all parts of the mycelium connected. Mycelium (plural mycelia) is the vegetative part of a Fungus, consisting of a mass of branching thread-like Hyphae The mass of hyphae is sometimes called [5]

In Armillaria ostoyae each individual mushroom has only a 5 cm (2 inch) stem and a bell of up to 12. Armillaria ostoyae is a Fungus commonly known as a Honey mushroom, and sometimes called Shoestring Rot. 5 cm (5 in) across. There are many other fungi of a larger individual size, the largest being Rigidoporus ulmarius. A fungus (ˈfʌŋgəs is a eukaryotic Organism that is a member of the kingdom Fungi (ˈfʌndʒaɪ Rigidoporus ulmarius is a plant pathogen found mainly on broad leaved trees Rigidoporus is up to 284 kg (626 lb), 1. Rigidoporus is a genus of fungi Many of the species in this genus are plant pathogens 66 m (5 ft 6 in) tall, 1. 46 m (4 ft 10 in) across, and has a circumference of 4. 9 m (16 ft 2 in). 2 in).

Other kingdoms

Among the organisms that are not multicellular, the largest are the slime moulds, such as Physarum polycephalum, some of which can cover an area more than 1,000 cm² (1 sq ft). Slime Mold is a broad term referring to amoeba-like organisms hence the name slime which feed on microorganisms in decaying vegetable matter hence the name Molds Physarum polycephalum belongs to the supergroup Amoebozoa, phylum Mycetozoa, and class Myxogastria. The largest species traditionally considered protozoa are giant amoeboids like foraminiferans. Protozoa (in Greek πρῶτον proton "first" and ζῷα zoia "animals" are unicellular Eukaryotes (singular The Foraminifera, ("Hole Bearers" or forams for short are a large group of Amoeboid Protists with reticulating Pseudopods fine One such species, the xenophyophore syringammina fragillissima, can attain a size of 20 cm (8 in). Xenophyophores are marine Protozoans giant single-celled organisms found throughout the world's oceans but in their greatest numbers on the Abyssal plains

The largest species of bacterium ever discovered is Thiomargarita namibiensis, which grows to 0. The Bacteria ( singular: bacterium) are a large group of unicellular Microorganisms Typically a few Micrometres in length bacteria have Thiomargarita namibiensis ("Sulfur pearl of Namibia " is a Gram-negative Coccus Proteobacterium found in the ocean sediments 75 mm (0. 03 in) in diameter, making it visible to the naked eye and up to a million times the size of more typical bacteria. The Bacteria ( singular: bacterium) are a large group of unicellular Microorganisms Typically a few Micrometres in length bacteria have The largest known virus is the mimivirus (the Acanthamoeba polyphaga mimivirus), with mature particles of 400 nm in diameter (icosahedral capsid), 800,000 bases and 900 genes. A virus (from the Latin virus meaning Toxin or Poison) is a sub-microscopic infectious agent that is unable Mimivirus is a viral genus containing a single identified species named Acanthamoeba polyphaga mimivirus (APMV A nanometre ( American spelling: nanometer, symbol nm) ( Greek: νάνος nanos dwarf; μετρώ metrό count) is a For the leaf bug see Miridae. A capsid is the protein shell of a virus. Structure The "skeleton" of adenine History See also History of genetics The existence of genes was first suggested by Gregor Mendel (1822-1884 who in the 1860s studied inheritance Later research suggested that it could be up to 800 nm long, 1. 2 Mbp and 1,260 genes. In Molecular biology, two Nucleotides on opposite complementary DNA or RNA strands that are connected via Hydrogen bonds are called History See also History of genetics The existence of genes was first suggested by Gregor Mendel (1822-1884 who in the 1860s studied inheritance

See also

Notes

  1. ^ a b Consensus Document on the Biology of Populus, OECD (. The smallest organism found on Earth can be measured using a variety of different methods and can be defined as the smallest by Volume, Mass, Height In Zoology, deep-sea gigantism, also known as abyssal gigantism, is the tendency for species of Crustaceans, Invertebrates and other deep-sea Giant animal may refer to Megafauna, the largest animal species Giant animal (mythology, large animals in mythology The largest body part is either the largest given body part across all animals or the largest example of a body part within a Species. This is a list of articles that discuss the largest things in a number of different categories as well as articles that list things according to size doc file)
  2. ^ Quaking Aspen by the Bryce Canyon National Park Service
  3. ^ largest living thing
  4. ^ a b The Humongous Fungus--Ten Years Later at the University of Wisconsin, Department of Botany. Bryce Canyon National Park (ˈbraɪs is a National park located in southwestern Utah in the United States The National Park Service ( NPS) is the United States federal agency that manages all National Parks, many National Monuments, and other conservation Accessed 20 August 2005. Events 636 - Battle of Yarmouk: Arab forces led by Khalid ibn al-Walid take control of Syria and Palestine Year 2005 ( MMV) was a Common year starting on Saturday (link displays full calendar of the Gregorian calendar.
  5. ^ a b Beale, Bob. 10 April 2003. Events 879 - Louis III becomes King of the Western Franks. 1407 - the lama Year 2003 ( MMIII) was a Common year starting on Wednesday of the Gregorian calendar. Humungous fungus: world's largest organism? at Environment & Nature News, ABC Online. Accessed 20 August 2005. Events 636 - Battle of Yarmouk: Arab forces led by Khalid ibn al-Walid take control of Syria and Palestine Year 2005 ( MMV) was a Common year starting on Saturday (link displays full calendar of the Gregorian calendar.
  6. ^ a b Ibiza's Monster Marine Plant. Ibiza Spotlight, 28 May 2006. Events 585 BC - A Solar eclipse occurs as predicted by Greek philosopher and scientist Thales, while Alyattes is battling
  7. ^ The General Sherman Tree, Sequoia National Park at the National Park Service. The National Park Service ( NPS) is the United States federal agency that manages all National Parks, many National Monuments, and other conservation Accessed 20 August 2005. Events 636 - Battle of Yarmouk: Arab forces led by Khalid ibn al-Walid take control of Syria and Palestine Year 2005 ( MMV) was a Common year starting on Saturday (link displays full calendar of the Gregorian calendar.
  8. ^ superlative trees
  9. ^ <http://rarestzoo.blogspot.com/2006/07/long-beaked-echidna.html>
  10. ^ <http://www.helium.com/items/891104-kangaroo-largest-species-kangaroos>
  11. ^ ADW: Orycteropus afer: Information
  12. ^ ADW: Hippopotamus amphibius: Information
  13. ^ African giraffes endangered | Environment | Reuters
  14. ^ African Rhinoceros. Safari Now. Retrieved on 2008-03-19. 2008 ( MMVIII) is the current year in accordance with the Gregorian calendar, a Leap year that started on Tuesday of the Common Events 1279 - A Mongolian victory in the Battle of Yamen ends the Song Dynasty in China.
  15. ^ Rinderknecht, Andrés; R. Ernesto Blanco (2008-01-15). 2008 ( MMVIII) is the current year in accordance with the Gregorian calendar, a Leap year that started on Tuesday of the Common Events 588 BC - Nebuchadrezzar II of Babylon lays siege to Jerusalem under Zedekiah 's reign "The largest fossil rodent" (pdf). Proceedings of the Royal Society B Biological Sciences. doi:10.1098/rspb.2007.1645. A digital object identifier ( DOI) is a permanent identifier given to an Electronic document. Lay summary.  
  16. ^ Crocodylus porosus (Schneider, 1801), by Adam Britton from the Crocodilian Species List.
  17. ^ Lawson, D. A. (1975). "Pterosaur from the Latest Cretaceous of West Texas. Discovery of the Largest Flying Creature. " Science 187: 947–948.
  18. ^ Buffetaut, E. , Grigorescu, D. , and Csiki, Z. (2002). "A new giant pterosaur with a robust skull from the latest Cretaceous of Romania. " Naturwissenschaften 89(4): 180–184. Abstract
  19. ^ dal Sasso, C. , S. Maganuco, E. Buffetaut and M. A. Mendez (2006). "New information on the skull of the enigmatic theropod Spinosaurus, with remarks on its sizes and affinities. " Journal of Vertebrate Paleontology, 25(4): 888-896.
  20. ^ Zhao, X. ; Li, D. ; Han, G. ; Hao, H. ; Liu, F. ; Li, L. ; and Fang, X. (2007). "Zhuchengosaurus maximus from Shandong Province". Acta Geoscientia Sinica 28 (2): 111–122.  
  21. ^ a b Morris, William J. (1981). "A new species of hadrosaurian dinosaur from the Upper Cretaceous of Baja California: ?Lambeosaurus laticaudus". Journal of Paleontology 55 (2): 453–462.  
  22. ^ Dodson, P. (1996). The Horned Dinosaurs. Princeton University Press, Princeton, New Jersey. ISBN 0-691-02882-6.  
  23. ^ Alexander, R. M. (1985). Mechanics of posture and gait of some large dinosaurs. Zoological Journal of the Linnean Society 83: 1–25.
  24. ^ Wu, X-C. , Brinkman, D. B. , Eberth, D. A. , and Braman, D. R. (2007). "A new ceratopsid dinosaur (Ornithischia) from the uppermost Horseshoe Canyon Formation (upper Maastrichtian), Alberta, Canada. " Canadian Journal of Earth Science, 44(9): 1243-1265.
  25. ^ a b c d e f birding.com records
  26. ^ Procelariiform Evolution Encyclopedia Britannica Online
  27. ^ world saltwater fish records of the International Game Fish Association. (archived version)
  28. ^ a b world freshwater fish records of the International Game Fish Association. (archived version)
  29. ^ "Grizzly Bear-Size Catfish Caught in Thailand", National Geographic News, 2005-06-29. Overview The NGS's historical mission is "to increase and diffuse geographic knowledge while promoting the conservation of the world's cultural historical and natural Year 2005 ( MMV) was a Common year starting on Saturday (link displays full calendar of the Gregorian calendar. Events 512 - A Solar eclipse is recorded by a monastic chronicler in Ireland. Retrieved on 2006-06-29. Year 2006 ( MMVI) was a Common year starting on Sunday of the Gregorian calendar. Events 512 - A Solar eclipse is recorded by a monastic chronicler in Ireland.  
  30. ^ "Fish whopper: 646 lb a freshwater record", 2005-07-01. Year 2005 ( MMV) was a Common year starting on Saturday (link displays full calendar of the Gregorian calendar. "July 1st" redirects here For the Ayumi Hamasaki song see H (song. Retrieved on 2006-06-29. Year 2006 ( MMVI) was a Common year starting on Sunday of the Gregorian calendar. Events 512 - A Solar eclipse is recorded by a monastic chronicler in Ireland.  
  31. ^ Mydans, Seth. "Hunt for the big fish becomes a race", International Herald Tribune, 2005-08-25. The International Herald Tribune is a widely read English language international Newspaper Year 2005 ( MMV) was a Common year starting on Saturday (link displays full calendar of the Gregorian calendar. Events 1248 - The Dutch city of Ommen receives city rights and fortification rights from Otto III the Retrieved on 2006-06-29. Year 2006 ( MMVI) was a Common year starting on Sunday of the Gregorian calendar. Events 512 - A Solar eclipse is recorded by a monastic chronicler in Ireland.  
  32. ^ Worm Digest - The Mighty Worm
  33. ^ Ponsonby, Dr. David; Prof. George Dussart (2005). The Anatomy of the Sea. Vancouver: Raincoast Books, 129. ISBN 0-8118-4633-4.  
  34. ^ Carwardine, M. 1995. Mark Carwardine (born 1959-03-09) is a Zoologist, who at one time was affiliated with the World Wildlife Fund, and has been a freelance writer photographer The Guinness Book of Animal Records. Guinness Publishing. p. 232.
  35. ^ "NZ's colossal squid to be microwaved", New Zealand Herald
  36. ^ O'Shea, S. 2003. "Giant Squid and Colossal Squid Fact Sheet". The Octopus News Magazine Online.
  37. ^ Paleoecology of giant Inoceramidae (Platyceramus) on a Santonian (Cretaceous) seafloor in Colorado
  38. ^ Cosgrove, J. A. 1987. Aspects of the Natural History of Octopus dofleini, the Giant Pacific Octopus. M. Sc. Thesis. Department of Biology, University of Victoria (Canada), 101 pp.
  39. ^ Octopus - Species.
  40. ^ Goliath Beetle
  41. ^ Largest Insect
  42. ^ a b Brock, P. D. 1999. The amazing world of stick and leaf-insects. Cravitz Printing Co. , Essex, England.
  43. ^ Seow-Choen, F. (1995). The longest insect in the world. Malayan Nat. 48: 12.
  44. ^ The large hairy cap mosses (family Polytrichaceae)
  45. ^ Mycologist's site about giant Armillaria in Michigan's Upper Peninsula
  46. ^ BBC News report about the largest Armillaria in the world

References

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