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Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Mesonaias umbrosa

Specimen USNM_1283187: Images

Mesonaias umbrosa (Lea, 1856), Veracruz, Rio Tesechoacan at Tesechoacan, ca. 0.5 miles N of bridge of Rt. Mex. 145 (ca. 9.3 roadmiles W of junction of Rt. Mex. 145 and Rt. Mex. 25)