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全名 Potamilus capax (Green, 1832)
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英文俗名 Fat Pocketbook Pearly Mussel, Fat Pocketbook.
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外殼特徵 Shell greatly inflated, subsolid, obovate, with an excessivelyfull, high, rounded umbonal region. Left valve with a single,sometimes a partially double, pseudocardinal in front of thebeak, has two small, compressed, distant laterals; right valvewith two compressed, ragged pseudocardinals opposite eachother, the upper extending back to the beak, and a single,high, thin, decidedly truncate lateral. Nacre bluish-white,pinkish or salmon-tinted.
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地理分布 Lower Ohio River Drainage; southwest to St. FrancisRiver, Arkansas; north to eastern Iowa; Elkhorn and BlueRivers, USA.
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模式產地 Falls of St. Anthony, USA.
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原始記錄 Unio capax Green, Cab. Nat. Hist., II, 1832,p.290.
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同種異名 Unio capax Green, 1832Symphynota globosa Lea, 1832Margarita (Unio) globosa Lea, 1836Unio globosus Hanley, 1842Margaron (Unio) capax Lea, 1852Lampsilis capax Smith, 1899
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備註 The species is listed as endangered species under Taiwan'sWildlife Conservation Law (WCL). This species was listedin the CITES Appendix I on 1st July 1975. Proptera wasalso genus name. Photo-specimen was collected fromPoinsett Co., Arkansas, USA and inventory in UMMZ250556。
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