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Page last updated
Wed 1 October 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

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Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Lampsilis

species Lampsilis ovata (Say, 1817): synonymy
     1 specimen + 5 Genbank vouchers

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.
Type(s): NEOTYPE SMF_4338, N. Amerika.

Lampsilis (s.s.) ovatusSimpson (1900), Frierson (1927)
Lampsilis ventricosa ovataOrtmann (1909), Ortmann (1909)
Lampsilis ovataOrtmann (1909), Ortmann (1912), Ortmann (1924), Ortmann (1925), Thiele (1934), ... Stodola et al. (2021), Konopleva et al. (2023), Hopper et al. (2023), Zieritz et al. (2024), FMCS (2025)
Lampsilis ventricosa var. ovataOrtmann (1910)
Lampsilis (s.s.) ovataSimpson (1914), Haas (1930), Haas (1969), Haas (1969), R.I. Johnson (1970)
Lampsilis ovatusOrtmann (1918), Modell (1942), Heard & Guckert (1970), Clarke (1973)

Mya occidens of Authors, unknown year
Desh. of Authors.

Mya subovatus of Authors, unknown year
Desh. of Authors.

Mya ventricosus of Authors, unknown year
Desh. of Authors.

Mya ventricosus of Authors, unknown year
Desh. of Authors.

Unio ovata Lamarck, 1819
‘Say’ Lamarck, 1819. Hist. Natur. Anim. sans Vert. 6: 75, sp. 23, var. [a]. [in part]

Lampsilis (s.s.) ovatusSimpson (1900)
Lampsilis (s.s.) ovataSimpson (1914)

Taxonomic History (since 1900)

Lampsilis (s.s.) ovatusSimpson (1900), Frierson (1927)
Lampsilis ventricosa ovataOrtmann (1909), Ortmann (1909)
Lampsilis ovataOrtmann (1909), Ortmann (1912), Ortmann (1924), Ortmann (1925), Thiele (1934), ... Stodola et al. (2021), Konopleva et al. (2023), Hopper et al. (2023), Zieritz et al. (2024), FMCS (2025)
Lampsilis ventricosa var. ovataOrtmann (1910)
Lampsilis (s.s.) ovataSimpson (1914), Haas (1930), Haas (1969), Haas (1969), R.I. Johnson (1970)
Lampsilis ovatusOrtmann (1918), Modell (1942), Heard & Guckert (1970), Clarke (1973)

 
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