Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Eurynia dilatata nominal species Unio arctatus Ferussac, 1835
‘Conrad’ Ferussac, 1835, Mag. Zool. 5: 29.
(misidentified reference to Unio arctatus Conrad, 1834)
= Eurynia dilatata Taxonomic Opinions
+ Elliptio (Eurynia) nasutus nasutus (Lamarck, 1819) — Haas, 1969
+ Elliptio (Eurynaia [sic]) dilatatus (Rafinesque, 1820) — Frierson, 1927
+ Unio (sec. Elliptio) gibbosus Barnes, 1823 — Simpson, 1914
+ Unio (sec. Elliptio) gibbosus Barnes, 1823 — Simpson, 1900
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