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全名 Fusconaia cuneolus (Lea, 1840)
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英文俗名 Fine-rayed Pigtoe Pearly Mussel, Fine-rayed Pigtoe.
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外殼特徵 Shell subtriangular or subrhomboid, convex to subinflated,inequilateral, solid; beaks high, moderately full; anteriorend usually obliquely truncated above, rounded below,sometimes rounded throughout; basal line nearly straight;post-dorsal line curved, rising in the middle almost or quiteto an angle. Epidermis greenish-yellow or yellow-green,with wide or narrow, broken rays, rather dull.Pseudocardinals rough and uneven, double in each valve,laterals curved, that of the right valve partly double; musclescars smalls, impressed; nacre white.
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地理分布 Tennessee River System, USA.
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模式產地 Holston River, Tennessee, USA.
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原始記錄 Unio cuneolus Lea, Pr. Am. Phil. Soc., I, 1840,p.286; Tr. Am. Phil. Soc., VIII, 1842, p.193, pl. VII, fig.3;Obs., III, 1842, p.31, pl. VII, fig.3.－Chenu, Ill. Conch.,1858, pl. XXX, figs.2, 2a, 2b.－Reeve, Conch. Icom., XVI,1865, pl. XXIII, fig.107.
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同種異名 Unio cuneolus Lea, 1840Margaron (Unio) cuneolus Lea, 1852Pleurobema cuneolus Simpson, 1900
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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. Photo-specimenwas collected from Clinch River, Speerr Ferry, Scott Co.,Virginia, USA and inventory in UMMZ 92961。
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