| Tetrablemma | ||||||||||||||
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| Diversity | ||||||||||||||
| 18 species | ||||||||||||||
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See text. 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 Tetrablemmidae are a spider family with 126 described species in 29 genera that occur throughout the world tropics The Reverend Octavius Pickard-Cambridge FRS ( November 3, 1828 - March 9, 1917) was an English Clergyman and Zoologist This page lists all described species of the spider family Tetrablemmidae as of May 9 2008 |
The spider genus Tetrablemma is unusual in possessing only four eyes, a trait only found elsewhere in most species of the family Caponiidae. Spiders of the Ecribellate Haplogyne family Caponiidae are unusual in that most species have only two eyes which is unheard of in other spiders The two are not closely related.