Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Friersonia iridella

Specimen USNM_1282418: Images

Friersonia iridella (Pilsbry & Frierson, 1908), 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