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The Tumbling Creek cavesnail (''Antrobia culveri'') is a species of freshwater cave snail with gills and an operculum, an aquatic gastropod mollusk in the family Amnicolidae. 〔 Bouchet, P. (2014). Antrobia culveri Hubricht, 1971. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=729787 on 2015-02-19 〕 ''Antrobia culveri'' is the only species in the genus ''Antrobia''.〔〔Kabat A. R. & Hershler R. (1993). "The prosobranch snail family Hydrobiidae (Gastropoda: Rissooidea): review of classification and supraspecific taxa". ''Smithsonian Contributions to Zoology'' 547: 1-94. (PDF ).〕 This is an endangered species. The common name refers to Tumbling Creek Cave, a National Natural Landmark, in Taney County, Missouri, USA.() == Taxonomy == The Tumbling Creek cavesnail was described as a new species by Leslie Hubricht in 1971, from specimens taken by David Culver, Thomas Aley, and Hubricht in 1969 and 1970.〔 ''Antrobia culveri'' is the type species for the genus ''Antrobia'', also described as new to science in 1971 by Hubricht.〔〔 Hershler and Hubricht (1988) examined specimens of ''Antrobia culveri'' and confirmed the taxonomic placement of this species at that time in the subfamily Littoridininae.〔 They also noted the similarity of the genus ''Antrobia'' to, but distinguished it from, the genus ''Fontigens'', which contains cave-adapted snails found in other caves and springs of the Ozark Plateau in Missouri and Arkansas.〔 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「Tumbling Creek cavesnail」の詳細全文を読む スポンサード リンク
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