Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Plethobasus cyphyus

nominal species Unio varicosus Lewis, 1871

Unio varicosus Lewis, 1871 = Plethobasus cyphyus

‘Lea’ Lewis, 1871. Amer. J. Conch. 6: 219.
(misidentified reference to Unio varicosus Lea, 1831)

Taxonomic Opinions

+ Plethobasus cyphyus compertus (Frierson, 1911) — Ortmann, 1918: 544.