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Page last updated
Thu 04 Jun 2020

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!

The nominal species (available and otherwise) in this synonymy are listed by usage rather than strictly by publication date. The primary sorting order is by the most recent year (since 1969) that the species name was treated as valid, and then nominal species are sorted secondarily by publication year.

Search the database pages:

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Epioblasma

species Epioblasma triquetra (Rafinesque, 1820): synonymy
     2 specimens available.

Truncilla triqueter Rafinesque, 1820
Rafinesque, 1818, Amer. Mon. Mag. 3: 355 [as ‘Potamilus triqueter’]. [nomen nudum]
Rafinesque, 1819, Jour. Phys. Chim. Hist. Nat. 88: 427 [as ‘U. (Truncilla) triquetra’]. [nomen nudum]
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 300, pl. 81, figs. 1-4.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 22, 29, 45.
Type(s): LECTOTYPE ANSP_20231, [no locality available - North America].

Truncilla triqueterRafinesque (1820)
Potamilus triqueterRafinesque (1818)
Unio (Truncilla) triquetraRafinesque (1819)
Unio triqueterFerussac (1835), Conrad (1853)
Truncilla triquetraAgassiz (1852), Ortmann (1910), Ortmann (1912)
Unio (Truncilla) triqueterMörch (1853)
Unio (Lampsilis) triqueterAdams & Adams (1857)
Truncilla (s.s.) triquetraSimpson (1900), Simpson (1914)
Dysnomia (Truncillopsis) triquetraOrtmann & Walker (1922), Ortmann (1924), Ortmann (1925), Frierson (1927), Haas (1969), Haas (1969)
Dysnomia (Truncillopsis) triqueterF.C. Baker (1928)
Epioblasma (sec. Truncillopsis) triquetrumThiele (1934)
Dysnomia triquetraMurray & Leonard (1962), Burch (1975), Gordon et al. (1979), Mackie et al. (1980)
Plagiola (Truncillopsis) triquetraR.I. Johnson (1978)
Plagiola triquetraR.I. Johnson (1980), Oesch (1984)
Epioblasma triquetraTurgeon et al. (1988), Cummings & Mayer (1992), Williams et al. (1993), Strayer & Jirka (1997), Parmalee & Bogan (1998), Turgeon et al. (1998), Lydeard et al. (1999), Graf & Ó Foighil (2000), Graf (2002), Buhay et al. (2002), Baker et al. (2003), Cicerello & Schuster (2003), Sietman (2003), Baker et al. (2004), Jones et al. (2005), Campbell et al. (2005), Graf & Cummings (2006), Zanatta & Murphy (2006), Jones et al. (2006), Graf & Cummings (2007), Zanatta & Murphy (2008), Williams et al. (2008), Watters et al. (2009), Hoeh et al. (2009), Jadhav & Jamkhedkar (2009), Cummings & Graf (2010), Bogan (2010), Jones & Neves (2010), Boyer et al. (2011), Haag (2012), McMurray et al. (2012), ITIS (2012), Szumowski et al. (2012), Jones (2015), Williams et al. (2017), IUCN (2017), Pfeiffer et al. (2019)

Unio cuneatus Swainson, 1823
Swainson, 1823, Philos. Mag. & J. 61: 112.

Unio cuneatusSwainson (1823)
Unio formosusRavenel (1834)
Unio triqueterFerussac (1835)
Margarita (Unio) triangularisLea (1836)
Aeglia cuneataSwainson (1840)
Unio triangularisHanley (1843), Küster (1852)
Margaron (Unio) triangularisLea (1852), Lea (1870)
Truncilla (s.s.) triquetraSimpson (1900), Simpson (1914)
Dysnomia (Truncillopsis) triquetraOrtmann & Walker (1922), Frierson (1927), Haas (1969)
Dysnomia triquetraBurch (1975)
Plagiola (Truncillopsis) triquetraR.I. Johnson (1978)
Epioblasma triquetraParmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)

Unio triangularis Barnes, 1823
Barnes, 1823, Amer. J. Sci. 6 (1-2): 272, pl. 13, fig. 17.
Say, 1830, Amer. Conch. 1: pl. 4.

Unio triangularisBarnes (1823), Lea (1829), Ravenel (1834), Jay (1835), Hanley (1843), Küster (1852), Sowerby (1868), de Gregorio (1914)
Unio triqueterFerussac (1835), Conrad (1853)
Margarita (Unio) triangularisLea (1836)
Truncilla triquetraAgassiz (1852)
Margaron (Unio) triangularisLea (1852), Lea (1870)
Unio (Truncilla) triqueterMörch (1853)
Unio (Limnium sec. Truncilla) triangularisFischer (1886)
Truncilla (s.s.) triquetraSimpson (1900), Simpson (1914)
Unio (s.s.) triangularisCall (1900)
Dysnomia (Truncillopsis) triquetraOrtmann & Walker (1922), Ortmann (1924), Frierson (1927), Haas (1969)
Dysnomia triquetraBurch (1975)
Plagiola (Truncillopsis) triquetraR.I. Johnson (1978)
Epioblasma triquetraStrayer & Jirka (1997), Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)

Unio formosus Lea, 1831
Lea, 1831, Trans. Amer. Phil. Soc. 4 [O. 1]: 111, pl. 16, fig. 41.

Unio formosusLea (1831), Ravenel (1834), Jay (1835)
Unio triqueterFerussac (1835), Conrad (1853)
Margarita (Unio) triangularisLea (1836)
Unio triangularisHanley (1843), Sowerby (1868), de Gregorio (1914)
Truncilla triquetraAgassiz (1852)
Margaron (Unio) triangularisLea (1852), Lea (1870)
Unio (Truncilla) triqueterMörch (1853)
Truncilla (s.s.) triquetraSimpson (1900), Simpson (1914)
Unio (s.s.) triangularisCall (1900)
Dysnomia (Truncillopsis) triquetraOrtmann & Walker (1922), Frierson (1927), Haas (1969)
Dysnomia triquetraBurch (1975)
Plagiola (Truncillopsis) triquetraR.I. Johnson (1978)
Epioblasma triquetraParmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)

Unio triangularis var. longiusculus de Gregorio, 1914
de Gregorio, 1914, Il Nat. Siciliano 2: 40, pl. 4, figs. 5a-c.
(intro'd as intra-sp. of Unio triangularis Barnes, 1823)

Unio triangularis var. longiusculusde Gregorio (1914)
Plagiola (Truncillopsis) triquetraR.I. Johnson (1978)
Epioblasma triquetraParmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)

Unio triangularis var. pergibosus de Gregorio, 1914
de Gregorio, 1914, Il Nat. Siciliano 2: 40, pl. 4, figs. 4a-c.
(intro'd as intra-sp. of Unio triangularis Barnes, 1823)

Unio triangularis var. pergibosusde Gregorio (1914)
Plagiola (Truncillopsis) triquetraR.I. Johnson (1978)
Epioblasma triquetraParmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)

Unio triangularis var. longisculus Parmalee & Bogan, 1998
‘de Gregorio’ Parmalee & Bogan, 1998, The Freshwater Mussels of Tennessee: 108.
‘de Gregorio’ Williams et al., 2008, Freshw. Mussels AL and Mobile Basin: 283.
(error for Unio triangularis var. longiusculus de Gregorio, 1914)

Unio triangularis var. longisculusParmalee & Bogan (1998)

Page updated: 15:33:40 Thu 04 Jun 2020

 
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