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全名 Lampsilis higginsii (Lea, 1857)
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英文俗名 Higgins' Eye Pearly Mussel, Higgins' Eye.
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外殼特徵 Shell solid, inflated, gaping at the anterior base, ovalelliptical or subquadrate with a feeble posterior ridge, withfull, high beaks placed well forward. Surface withoccasional irregular growth lines but generally smooth andsomewhat shining. Left valve with two triangular, shortpseudocardinals and two heavy laterals; right valve with two,often three pseudocardinals, the middle one the largest, andone lateral, often having a vestige of another below it;muscle scars deep; beak cavities moderate, nacre silvery,flesh-color or salmon-tinted.
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地理分布 Ohio River, west to Iowa and southwest to Kansas, USA.
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模式產地 Muscatine, Iowa, USA.
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原始記錄 Unio higginsii Lea, Pr. Ac. N. Sci. Phila., IX,1857, p.84; Jl. Ac. N. Sci. Phila., V, 1862, p.188, pl. XXIV,fig.258; Obs., IX, 1863, p.10, pl. XXIV, fig.258.－Sowerby,Conch. Icon., XVI, 1868, pl. LXXXII, fig.431.
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同種異名 Unio higginsii Lea, 1857Margaron (Unio) higginsii Lea, 1870
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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 Kankakee River, Illinois, USA andinventory in UMMZ 84358-1。
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