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The Tetrablemmidae are a spider family with 126 described species in 29 genera that occur throughout the world tropics. They are sometimes called ''armored spiders''. The family ''Pacullidae'', with the only genus ''Paculla'', has been incorporated into this family in 1981. Most tetrablemmids have been collected from litter and soil, including soil in epiphytes; some live in caves. Some cave species, but also some soil inhabitants, show typical adaptations of cave spiders, such as loss of eyes and weak sclerotization.〔Shear, W.A. (1978). Taxonomic notes on the armored spiders of the families Tetrablemmidae and Pacullidae. ''American Museum novitates'' 2650 (PDF ) - (Abstract )〕 Spiders in the genus ''Paculla'' are four to five times larger than other tetrablemmids. The genus ''Tetrablemma'' features only four eyes, a trait only shared with most species of the not closely related Caponiidae. Tetrablemmids do not seem to build webs. ==Distribution== Most genera occur in Southeast Asia, only a few in Africa and Central and South America. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tetrablemmidae」の詳細全文を読む スポンサード リンク
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