Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Popenaias semirasa

Specimen USNM_1282583-86: Images

Popenaias semirasa (Pilsbry, 1910), Small river (local lad called it Rio Vallejares and said it was tributary to Rio Ganina) at bridge of Estacion Rascon-Damian Carmona road ca 1.8 roadmiles N of railroad crossing in Estacion Rascon, San Luis Potosi, Mexico