Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Sphenonaias plexus

Specimen USNM_1282318: Images

Sphenonaias plexus (Conrad, 1838), Veracruz, Rio Cotaxtla (upper Rio Atoyac) at Rt. Ver. 149 in Cotaxtla (turn-off to road to Cotaxtla from Rt. Mex. 140 is ca. 26.1 roadmiles SW of divergence of Rt. Mex, 150 and Rt. Mex. 140 S of Veracruz