Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Truncilla

species Truncilla truncata Rafinesque, 1820: synonymy

5 specimens + 54 GenBank vouchers

Synonymy

image of type lot

Truncilla truncata Rafinesque, 1820

Rafinesque, 1818. Amer. Mon. Mag. 3: 355 [as ‘Potamilus truncatus’]. [nomen nudum]
Rafinesque, 1819. Jour. Phys. Chim. Hist. Nat. 88: 427 [as ‘U. (Truncilla) truncata’]. [nomen nudum]
Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 301 [also as ‘Unio truncata’].
Rafinesque, 1864. [in] Binney & Tryon, reprint: 22, 29, 46.
Type(s): LECTOTYPE ANSP_20217, Falls of Ohio.

Plagiola elegansVanatta (1915)
Amygdalonaias truncataUtterback (1916), Ortmann (1918)
Truncilla truncataOrtmann & Walker (1922), Ortmann (1924), Ortmann (1925), Frierson (1927), F.C. Baker (1928), ... Hopper et al. (2023), Saxon et al. (2023), Wu et al. (2023), FMCS (2025), Campbell & Lydeard (2026)
Truncilla vermiculataMorrison (1969)
Truncilla trincata [sic]Soliman et al. (2016)

Truncilla truncata var. fusca Rafinesque, 1820

(intro'd as intra-sp. of Truncilla truncata Rafinesque, 1820)
Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 301.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 46.

Truncilla truncataHaas (1969), Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)

Truncilla truncata var. vermiculata Rafinesque, 1820

(intro'd as intra-sp. of Truncilla truncata Rafinesque, 1820)
Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 301.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 46.

Truncilla truncata-vermiculataFrierson (1927)
Truncilla truncataHaas (1969), Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)
Truncilla vermiculataMorrison (1969)

image of type lot

Truncilla metaplata Rafinesque, 1831

Rafinesque, 1831. Continuation: 4.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 77.
Type(s): LECTOTYPE ANSP_20258, Cumberland River.

Plagiola elegansVanatta (1915)
Dysnomia (Penita) arcaeformisFrierson (1927), Haas (1969)

Truncilla metaplata var. vittata Rafinesque, 1831

(intro'd as intra-sp. of Truncilla metaplata Rafinesque, 1831)
Rafinesque, 1831. Continuation: 4.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 77.

image of type lot

Unio elegans Lea, 1831

specimen image from publicationLea, 1831. Trans. Amer. Phil. Soc. 4 [O. 1]: 83 [93], pl. 9, fig. 13.
Type(s): HOLOTYPE USNM_84449, Cincinnati, Ohio.

Plagiola (Amygdalonaias) elegansSimpson (1900)
Unio (s.s.) elegansCall (1900)
Plagiola (Amygdalonajas) [sic] elegansOrtmann (1909)
Plagiola elegansOrtmann (1910), Vanatta (1915)
Amygdalonajas [sic] elegansOrtmann (1912), Ortmann (1914)
Plagiola (Amygdalonaias) (Group of Plagiola elegans) elegansSimpson (1914)
Unio elegansde Gregorio (1914)
Amygdalonaias truncataUtterback (1916), Ortmann (1918)
Truncilla truncataOrtmann & Walker (1922), Ortmann (1924), Frierson (1927), F.C. Baker (1928), Murray & Leonard (1962), ... Howells et al. (1996), Strayer & Jirka (1997), Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)

Unio truncatus Say, 1834

(reference to Truncilla truncata Rafinesque, 1820)
‘Rafinesque’ Say, 1834. Amer. Conch. 6: ??.
‘Rafinesque’ Say, 1838. Amer. Conch. 7: pl. 67.

Plagiola (Amygdalonaias) elegansSimpson (1900)
Plagiola (Amygdalonaias) (Group of Plagiola elegans) elegansSimpson (1914)
Truncilla truncataWatters et al. (2009)

Unio elegans var. elegantopsis de Gregorio, 1914

(intro'd as intra-sp. of Unio elegans Lea, 1831)
de Gregorio, 1914. Il Nat. Siciliano 2: 41, pl. 4, figs. 6a-b.

Unio elegans var. elegantopsisde Gregorio (1914)
Truncilla truncataWilliams et al. (2008), Watters et al. (2009)

Unio elegans var. magnelegans de Gregorio, 1914

(intro'd as intra-sp. of Unio elegans Lea, 1831)
de Gregorio, 1914. Il Nat. Siciliano 2: 41, pl. 5, figs. 1a-c.

Unio elegans var. magnelegansde Gregorio (1914)
Truncilla truncataWilliams et al. (2008), Watters et al. (2009)

image of type lot

Truncilla truncata var. lacustris F.C. Baker, 1928

(intro'd as intra-sp. of Truncilla truncata Rafinesque, 1820)
F.C. Baker, 1928. Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 227, pl. 78, figs. 1-2.
Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_209214, Lake Winnebago, Wisconsin.

Truncilla truncata lacustrisF.C. Baker (1928)
Truncilla truncataHaas (1969), R.I. Johnson (1980), Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)

Unio melaplata Lea, 1836

(error for Truncilla metaplata Rafinesque, 1831)
‘Rafinesque’ Lea, 1836. Synopsis Fam. Naiades: 59.
‘Rafinesque’ Lea, 1852. Synopsis Fam. Naiades: 58.
‘Rafinesque’ Lea, 1870. Synopsis Fam. Naiades: 92.

Unio elegans var. elagantopsis Williams et al., 2008

(error for Unio elegans var. elegantopsis de Gregorio, 1914)
‘de Gregorio’ Williams et al., 2008. Freshw. Mussels AL and Mobile Basin: 739.

Truncilla trincata Soliman et al., 2016

(error for Truncilla truncata Rafinesque, 1820)
Soliman et al., 2016. Egypt. J. Zool. 66: 121.

Taxonomic History (since 1900)

Plagiola (Amygdalonaias) elegansSimpson (1900)
Unio (s.s.) elegansCall (1900)
Plagiola (Amygdalonajas) [sic] elegansOrtmann (1909)
Plagiola elegansOrtmann (1910), Vanatta (1915)
Amygdalonajas [sic] elegansOrtmann (1912), Ortmann (1914)
Plagiola (Amygdalonaias) (Group of Plagiola elegans) elegansSimpson (1914)
Unio elegansde Gregorio (1914)
Unio elegans var. elegantopsisde Gregorio (1914)
Unio elegans var. magnelegansde Gregorio (1914)
Amygdalonaias truncataUtterback (1916), Ortmann (1918)
Truncilla truncataOrtmann & Walker (1922), Ortmann (1924), Ortmann (1925), Frierson (1927), F.C. Baker (1928), ... Hopper et al. (2023), Saxon et al. (2023), Wu et al. (2023), FMCS (2025), Campbell & Lydeard (2026)
Truncilla truncata-vermiculataFrierson (1927)
Dysnomia (Penita) arcaeformisFrierson (1927), Haas (1969)
Truncilla truncata lacustrisF.C. Baker (1928)
Truncilla vermiculataMorrison (1969)
Truncilla trincata [sic]Soliman et al. (2016)