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Clubiona |
The sac spiders of the family Clubionidae have a very confusing taxonomic history. Clubiona trivialis is a small reddish brown spider with Holarctic distribution Arthropods are Animals belonging to the Phylum Arthropoda (from Greek ἄρθρον arthron, " Joint " Arachnids are a class ( Arachnida) of joint-legged Invertebrate Animals in the subphylum Chelicerata. Spiders are Predatory Invertebrate Animals that have two body segments, eight legs no chewing mouth parts and no wings The Araneomorphae are a Suborder of Spiders They are distinguished by having Chelicerae (fangs that point diagonally forward and cross in a pinching action The Entelegynae are a subgroup of araneomorph spiders Almost all members of this group unlike most members of Haplogynae, have eight eyes and females have Incertae sedis ( Latin for "of uncertain placement" abbreviated "inc Johann Andreas Wagner (1797 &ndash 1861 was a German Palaeontologist, Zoologist and Archaeologist. Year 1887 ( MDCCCLXXXVII) was a Common year starting on Saturday (link will display the full calendar of the Gregorian calendar (or a Common This page lists all described species of the spider family Clubionidae as of Apr A genus (plural genera from Γένος Latin genus "descent family type gender" is a low-level Taxonomic Clubiona is a large spider genus that occurs almost worldwide although in South America, it is only found in Chile. Once this family was a large catch-all taxon for a large group of disparate collection of spiders, similar only in that they had eight legs arranged in two rows, conical anterior spinnerets that touched and were wandering predators that built silken retreats, or sacs, usually on plant terminals, between leaves, under bark or under rocks. Spiders are Predatory Invertebrate Animals that have two body segments, eight legs no chewing mouth parts and no wings These are now recognized to include several families, some of which are more closely related to the three-clawed spiders, like lynx and wolf spiders, than to true "clubionoids. Lynx Spiders are hunting spiders that spend their lives on plants flowers and shrubs "
Among the families formerly classified as sac spiders, some of which have common names including the words "sac spider", include:
as well as the remnant Clubionidae (now consisting of a little over 500 species in 15 genera worldwide). The anyphaenid sac spiders (family Anyphaenidae) are distinguished from the sac spiders and other Spiders by having the abdominal spiracle placed one The tengellid spiders (family Tengellidae) include eight genera and a little over 30 Species worldwide Zorocratid spiders are uncommon somewhat Wolf spider -like wandering Spiders The eye arrangement is not like that of wolf spiders as the posterior eyes are not The long-legged sac spiders ( family Miturgidae) include nearly 400 Species in about 30 genera worldwide The corinnid sac spiders (family Corinnidae) like the other clubionoid families have a very confusing taxonomic history Liocranid sac spiders consist of about 160 species of wandering spiders in 30 or so genera. However "sac spider" used on its own should imply a member of the family Clubionidae.
In North America the family as it is now recognised consists of only two genera, Clubiona and Elaver (formerly Clubionoides). Clubiona is nearly worldwide in distribution.