Bivalvia | ... | Unionidae | Unioninae | Anodontini | Alasmidontina | Utterbackia imbecillis

Specimen USNM_1282739: Images

Utterbackia imbecillis (Say, 1829), Veracruz, Rio Papaloapan off road from Ciudad Aleman to Tuxtepec; ca. 0.5 roadmiles by dirt road to river; dirt road entrance to Aleman-Tuxtepec road is ca. 2.4 roadmiles W of divergence of roads to Ciudad Aleman and Cosamaloapan