species Lampsilis ovata (Say, 1817): synonymy

Unio ovatus Say, 1817

Bruguière, 1797. Encycl. Méth. 2: pl. 248, fig. 5 [as Unio sp.].
Say, 1817. Nich. Encyc. 2: [12,] pl. 2, fig. 7.
Say, 1819. Nich. Encyc. 4: [17,] pl. 2, fig. 7.
Say, 1858. [in] Binney, Compl. Writings T. Say: 50-51.
NEOTYPE SMF_4338 (by Haas, 1930: 328), N. Amerika [Ohio River and tributaries].

Lampsilis (s.s.) ovatus — Simpson (1900), Frierson (1927)
Lampsilis ventricosa ovata — Ortmann (1909), Ortmann (1909)
Lampsilis ovata — Ortmann (1909), Ortmann (1912), Ortmann (1924), Ortmann (1925), Thiele (1934), ... Zieritz et al. (2024), FMCS (2025), Schilling et al. (2025), Nagel (2025), Campbell & Lydeard (2026)
Lampsilis ventricosa var. ovata — Ortmann (1910)
Lampsilis (s.s.) ovata — Simpson (1914), Haas (1930), Haas (1969), Haas (1969), R.I. Johnson (1970)
Lampsilis ovatus — Ortmann (1918), Modell (1942), Heard & Guckert (1970), Clarke (1973)

Mya ventricosus Desh. of Authors

(misidentified reference to Unio ventricosus Barnes, 1823)
Desh. of Authors.

Mya subovatus Desh. of Authors

(misidentified reference to Unio subovatus Lea, 1831)
Desh. of Authors.

Mya occidens Desh. of Authors

(misidentified reference to Unio occidens Lea, 1829)
Desh. of Authors.

Mya ventricosus Desh. of Authors

(misidentified reference to Unio ventricosus Barnes, 1823)
Desh. of Authors.

Unio ovata Lamarck, 1819

(reference to Unio ovatus Say, 1817)
‘Say’ Lamarck, 1819. Hist. Natur. Anim. sans Vert. 6: 75, sp. 23, var. [a]. [in part]

Lampsilis (s.s.) ovatus — Simpson (1900)
Lampsilis (s.s.) ovata — Simpson (1914)