Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Eurynia dilatata nominal species Unio (sec. Elliptio) gibbosus var. delicatus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 704.
Simpson, 1914, Descr. Cat. Naiades: 600.
(intro'd as intra-sp. of Unio gibbosus Barnes, 1823; homonym of Unio delicatus Lea, 1863)
Type(s): LECTOTYPE USNM_128797, St. Francis R., Greenway, Clay Co., Arkansas.
= Eurynia dilatata Taxonomic Opinions
+ Elliptio dilatata (Rafinesque, 1820) — Watters et al., 2009
+ Elliptio dilatata (Rafinesque, 1820) — Williams et al., 2008
+ Elliptio dilatata (Rafinesque, 1820) — Parmalee & Bogan, 1998
+ Elliptio dilatata (Rafinesque, 1820) — R.I. Johnson, 1980
= Elliptio (Eurynia) nasutus delicatus (Simpson, 1900) — Haas, 1969
= Elliptio dilatatus delicatus (Simpson, 1900) — F.C. Baker, 1928
= Elliptio (Eurynaia [sic]) dilatatus-delicatus (Simpson, 1900) — Frierson, 1927
= Elliptio dilatata delicata (Simpson) — Utterback, 1915
= Unio (sec. Elliptio) gibbosus var. delicatus Simpson, 1900 — Simpson, 1914
= Unio (sec. Elliptio) gibbosus var. delicatus Simpson, 1900 — Simpson, 1900
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