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RTA clade
The RTA clade is a clade of araneomorph spiders, united by the possession of a "retrolateral tibial apophysis".〔 The clade contains over 21,000 species, about twice the number of species of orb-weavers,〔 and almost half the current total of about 46,000 known species of spider.〔 Most of the members of the clade are wanderers and do not build webs.〔 ==Families== In 2005, Coddington included 39 families in a cladogram showing the RTA clade:〔 *Agelenidae *Amaurobiidae *Ammoxenidae *Amphinectidae (paraphyletic) *Anyphaenidae *Cithaeronidae *Clubionidae *Corinnidae *Cryptothelidae *Ctenidae *Desidae *Dictynidae *Gallieniellidae *Gnaphosidae *Lamponidae *Liocranidae *Lycosidae *Miturgidae (paraphyletic) *Oxyopidae *Philodromidae *Phyxelididae *Pisauridae *Prodidomidae *Psechridae *Salticidae *Selenopidae *Senoculidae *Sparassidae *Stiphidiidae *Tengellidae *Thomisidae *Titanoecidae *Trechaleidae *Trochanteriidae *Zodariidae *Zoridae *Zorocratidae (no longer accepted; most genera now placed in Udubidae) *Zoropsidae
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「RTA clade」の詳細全文を読む
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