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Photographs of ethanol preserved specimens of the Columbia duskysnail (USNM 1256484) showing pigmentation of body (A) and penis (B). Scale bars: 500 µm. Pl penial lobe, Pn penis. |
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| Part of: Liu H-P, Hershler R, Rossel CS (2015) Taxonomic status of the Columbia duskysnail (Truncatelloidea, Amnicolidae, Colligyrus). ZooKeys 514: 1-13. https://doi.org/10.3897/zookeys.514.9919 |