species Obliquaria reflexa Rafinesque, 1820: synonymy

Obliquaria (Quadrula) reflexa Rafinesque, 1820

Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 306 [also as ‘U. reflexa’].
Rafinesque, 1864. [in] Binney & Tryon, reprint: 50.
Type(s): LECTOTYPE ANSP_20206, Letart Falls.

Obliquaria reflexa — Simpson (1900), Ortmann (1909), Ortmann (1910), Ortmann (1912), Simpson (1914), ... Hauck et al. (2023), Wu et al. (2023), Freeman et al. (2025), FMCS (2025), Campbell & Lydeard (2026)

Unio cornutus Barnes, 1823

Barnes, 1823. Amer. J. Sci. 6 (1-2): 122, pl. 4, figs. 5a-c.

Obliquaria reflexa — Simpson (1900), Simpson (1914), Utterback (1916), Ortmann & Walker (1922), Frierson (1927), ... Howells et al. (1996), Strayer & Jirka (1997), Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)
Unio (s.s.) cornutus — Call (1900)

Unio torulosus Short & Eaton, 1831

‘Rafinesque’ Short & Eaton, 1831. Transylvania J. Med. Assoc. Sci. 1831: 75.
(misidentified reference to Amblema torulosa Rafinesque, 1820)

Obliquaria reflexa — Simpson (1900), Simpson (1914), Frierson (1927), Haas (1969), Parmalee & Bogan (1998), Watters et al. (2009)

Unio phillipsii Conrad, 1835

Conrad, 1835. Monogr. Fam. Unionidae 1(1): 9, pl. 5, fig. 1.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 255.
Type(s): HOLOTYPE ANSP_19432, Wabash R., Indiana.

Obliquaria reflexa — Simpson (1900), Williams et al. (2008)
Obliquaria reflexa var. phillipsi — Simpson (1914)
Pleurobema (Plethobasus) cyphyum-phillipsi — Frierson (1927)
Plethobasus cyphyus — Haas (1969)
Dysnomia torulosa torulosa — Burch (1975)
Epioblasma phillipsii — Cummings & Mayer (1997), Cicerello & Schuster (2003), Watters et al. (2009)
Epioblasma torulosa — Parmalee & Bogan (1998)

Obliquaria reflexa conradi Frierson, 1927

Frierson, 1927. Check List N. Amer. Naiades: 65, sp. 290a.
(intro'd as intra-sp. of Obliquaria (Quadrula) reflexa Rafinesque, 1820)
Type(s): LECTOTYPE ANSP_56695, Alabama R., Ala.

Obliquaria reflexa-conradi — Frierson (1927)
Obliquaria reflexa — Haas (1969), Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)

Unio philipsii Hanley, 1843

‘Conrad’ Hanley, 1843. Illustr. Descr. Cat. Rec. Bivalve Shells: 178.
(error for Unio phillipsii Conrad, 1835)

Epioblasma torulosa — Parmalee & Bogan (1998)

Unio phillipsea Conrad, 1853

Conrad, 1853. Proc. Acad. Nat. Sci. 6: 269.
(error for Unio phillipsii Conrad, 1835)