species Glebula rotundata (Lamarck, 1819): synonymy

Unio rotundata Lamarck, 1819

Lamarck, 1819. Hist. Natur. Anim. sans Vert. 6: 75, sp. 24.
LECTOTYPE [AS HOLOTYPE] USNM_85760 (by R.I. Johnson, 1975: 35), Louisiana.

Glebula rotundata — Simpson (1900), Simpson (1914), Thiele (1934), R.I. Johnson (1953), Clench & Turner (1956), ... de Moulpied et al. (2022), Hopper et al. (2023), Freeman et al. (2025), FMCS (2025), Campbell & Lydeard (2026)
Glebula suborbiculata — Frierson (1927)
G. rotundata — Marshall et al. (2018)

Unio suborbiculata Lamarck, 1819

Lamarck, 1819. Hist. Natur. Anim. sans Vert. 6: 81, sp. 48.
UNKNOWN MNHN_MPL_0034, “Habite... les eaux douces des climats chauds? Cabinet de MM. Daudebard et Faujas.” Lives in fresh water in hot climates? Office of Messrs. Daudebard and Faujas." .

Glebula rotundata — Simpson (1900), Simpson (1914), R.I. Johnson (1953), Clench & Turner (1956), Haas (1969), ... Vidrine (1993), Howells et al. (1996), Brim Box & Williams (2000), Williams et al. (2008), Watters et al. (2009)
Glebula suborbiculata — Frierson (1927)

Obliquaria (Plagiola) decorticata Rafinesque, 1820

Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 302 [also as ‘U. decorticata’].
Rafinesque, 1864. [in] Binney & Tryon, reprint: 46.

Glebula suborbiculata — Frierson (1927)

Unio glebulus Say, 1831

Say, 1831. Transylvania J. Med. Assoc. Sci. 4: 526.
Say, 1832. Amer. Conch. 1(4): pl. 34.

Glebula rotundata — Simpson (1900), Simpson (1914), Clench & Turner (1956), Haas (1969), Burch (1975), Howells et al. (1996), Brim Box & Williams (2000), Williams et al. (2008), Watters et al. (2009)
Glebula suborbiculata — Frierson (1927)

Unio subglobosus Lea, 1834

Lea, 1834. Trans. Amer. Phil. Soc. 5 [O. 1]: 30, pl. 2, fig. 3.

Glebula rotundata — Simpson (1900), Simpson (1914), Clench & Turner (1956), Haas (1969), Burch (1975), Howells et al. (1996), Brim Box & Williams (2000), Williams et al. (2008), Watters et al. (2009)
Glebula suborbiculata — Frierson (1927)

Unio globulus ‘Say’ of Authors

(error for Unio glebulus Say, 1831)
‘Say’ of Authors.
Ferussac, 1835. Mag. Zool. 5(59-60): 26.
Reeve, 1865. Conch. Icon. 16: pl. 23, sp. 106.

Quadrula (Quincuncina) vittata Frierson, 1927

‘Lamarck’ Reeve, 1865. Conch. Icon. 16: pl. 23, sp. 106 [as ‘Unio rotundatus’].
Frierson, 1927. Check List N. Amer. Naiades: 50, sp. 218.

Quadrula (Quincuncina) vittata — Frierson (1927)
Quincuncina vittata — Haas (1969)

Unio rotundatus Reeve, 1865

(reference to Unio rotundata Lamarck, 1819)
‘Lamarck’ Reeve, 1865. Conch. Icon. 16: pl. 23, sp. 106.

Glebula rotundata — Simpson (1900), Simpson (1914)
Quadrula (Quincuncina) vittata — Frierson (1927)