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全名 Epioblasma sampsoni (Lea, 1861)
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英文俗名 Sampson's Pearly Mussel, Wabash Riffleshell,Sampson's Riffleshell and Sampson's Naiad.
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外殼特徵 Shell solid, inflated, subquadrate or trapezoid, inequilateralwith high full beaks, whose sculpture is feeble andcorrugated; lunule wide but small; posterior ridge low,narrowly rounded, placed near the dorsal line; median ridgerounded, rarely showing vestiges of knobs. Surface rathersmooth, usually with a concentric constriction at the restmarks. Epidermis straw-color or yellow-green withnumerous green rays, silky; teeth solid; pseudocardinalstriangular, laterals double in each valve.
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地理分布 Wabash River, Indiana and Tennessee, USA.
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模式產地 Wabash River, New Harmony, Indiana, USA.
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原始記錄 Unio sampsonii Lea, Pr. Ac. N. Sci. Phila., VI,1861, p.392; Jl. Ac. N. Sci. Phila., V, 1862, p.192, pl. XXV,fig.261; Obs., IX, 1863, p.14, pl. XXV, fig.261.
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同種異名 Unio sampsonii Lea, 1861Margaron (Unio) sampsonii Lea, 1870Truncilla sampsonii 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. Dysnomia andPlagiola were genus names. Photo-specimen was collectedfrom New Harmony, Indiana, USA and inventory in ANSP125971。
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