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

nominal species Unio cicatricosus Conrad, 1834

Unio cicatricosus Conrad, 1834 = Plethobasus cyphyus

‘Say’ Conrad, 1834. New Fresh-Water Shells: ??.
‘Say’ Conrad, 1840. Monogr. Fam. Unionidae 2(13): 115, pl. 64.
(misidentified reference to Unio cicatricosus Say, 1829)

Taxonomic Opinions

+ Margaron (Unio) æsopus (Green) — Lea, 1870: 34.

+ Margaron (Unio) æsopus (Green) — Lea, 1852: 23.

+ Margarita (Unio) aesopus Green — Lea, 1838: 16.

+ Margarita (Unio) aesopus (Green, 1827) — Lea, 1836: 17.