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

Specimen USNM_1282323: Images

Sphenonaias plexus (Conrad, 1838), Veracruz, impoundment on Rio Jamapa at La Tejar, ca. 0.25 rivermiles above the bridge of road to Medellin (bridge is 5.3 roadmiles from the junction of this road with Rt. Mex. 140), S of Veracruz (city). N19°04'00" W96°09'30"