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全名 Conradilla caelata (Conrad, 1834)
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英文俗名 Birdwing Pearly Mussel, Rimose Naiad.
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外殼特徵 Shell subtriangular to subovate, very solid, convex toinflated, inequilateral; beaks high often subcompressed,turned forward over a small lunule, with feeble,subnodulous sculpture; posterior ridge well developed.Surface with irregular growth lines. Pseudocardinals low,subradial, ragged, two in the left valve, one to three in theright valve; lateral heavy, double in the left valve, partlydouble in the right; muscle scar small, impressed; nacrewhite, silvery, iridescent behind, thicker in front.
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地理分布 Tennessee River drainage, Tennessee and Virginia, USA.
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模式產地 Elk and Flint Rivers, Tennessee, USA.
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原始記錄 Unio caelatus Conrad, Am. Jl. Sci., XXV, 1834,p.338, pl. I, fig.1; New F. W. Shells, 1834, p.29, pl. III, fig.4;p.68.－Chenu, Bib. Conch., 1st ser. III, 1845, p.16, pl. III,fig.3.－Reeve, Conch. Icon., XVI, 1864, pl. II, fig.7.
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同種異名 Unio caelatus Conrad, 1834Margarita (Unio) caelatus Lea, 1836Margaron (Unio) caelatus Lea, 1852Micromya caelata 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. It was alsonamed as Lemiox rimosus. Photo-specimen was collectedfrom the Duck River, Marshall Co., Tennessee, USA, andinventory in INHS 16840-7。
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