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Page last updated
Sun 31 Oct 2021

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.

The taxonomic history of the valid species (since 1900) is listed at the bottom of the page.

Search the database pages:

Unionoida | Hyrioidea | Hyriidae | Hyriinae | Rhipidodontini | Diplodon

species Diplodon variabilis (Maton, 1811): nominal species
     85 specimens available.

Mya variabilis Maton, 1811
Maton, 1811, Trans. Linn. Soc. London 10: 327, pl. 24, figs. 4-7.
(renamed Hyria matoni Gray, 1825)

Mya variabilisMaton (1811), Dillwyn (1817), Wood (1825)
Hyria corrugataLamarck (1819)
Hyria matoniGray (1825)
Diplodon rotundusWagner (1827)
Margarita (Unio) variabilisLea (1836), Lea (1838)
Unio rotundusMoricand (1838)
Unio variabilisHanley (1843), d’Orbigny (1846), Sowerby (1868), Corsi (1900)
Margaron (Unio) variabilisLea (1852), Lea (1870)
Unio (Obovaria) variabilisAdams & Adams (1857)
Diplodon (Cyclomya sec. Bulloideus) variabilisSimpson (1900), Simpson (1914)
Diplodon (Bulloideus) variabilisHaas (1931), Thiele (1934), Haas (1969)
Diplodon variabilisBonetto (1959), Schade (1965), Parodiz (1968), Graf & Cummings (2021)
Diplodon (Rhipidodonta) variabilisParodiz & Bonetto (1963), Figueiras (1965), Bonetto (1965), Pereira et al. (2014), Torres et al. (2018)
Rhipidodonta variabilisSimone (2006), Graf & Cummings (2007), Bogan (2010), Mansur et al. (2020)
Diplodon (Rhipidiodonta) variabilisRumi et al. (2008)

Unio bulloides Lea, 1859
Lea, 1859, Proc. Acad. Nat. Sci. 11: 187.
Lea, 1860, Jour. Acad. Nat. Sci. 4 [O. 7]: 264 [82], pl. 42, fig. 144.
Type(s): HOLOTYPE USNM_85776, Rio de la Plata, S.A.

Unio bulloidesLea (1859), Küster (1861), Sowerby (1868)
Margaron (Unio) bulloidesLea (1870)
Diplodon (Cyclomya sec. Bulloideus) bulloidesSimpson (1900), Simpson (1914)
Diplodon (Bulloideus) variabilisHaas (1931), Thiele (1934), Haas (1969)
Diplodon bulloidesBonetto (1959)
Diplodon (Rhipidodonta) variabilisBonetto (1965), Figueiras (1965)
Diplodon variabilisParodiz (1968)
Diplodon (Bulloideus) bulloidesHaas (1969)
Rhipidodonta variabilisSimone (2006)

Mytilus membranacea Maton, 1811
Maton, 1811, Trans. Linn. Soc. London 10: 329, pl. 24, figs. 11-12.

Mytilus membranaceaMaton (1811)
Anodon rotundusWagner (1827)
Unio (s.s.) matonianad’Orbigny (1835)
Margarita (Anodonta) membranaceaLea (1836)
Margarita (Unio) membranaceaLea (1838)
Unio membranaceaHanley (1843)
Anodonta membranacead’Orbigny (1846)
Unio membranaceusPhilippi (1848), Küster (1862)
Margaron (Unio) membranaceusLea (1852), Lea (1870)
Anodonta membranaceusHupé (1857)
Unio (Obovaria) membranaceusAdams & Adams (1857)
Glabaris (s.s.) membranaceusSimpson (1900)
Anodonta latomarginataCorsi (1900)
Anodontites (s.s.) membranaceusSimpson (1914)
Rhipidodonta variabilisSimone (2006)

Hyria matoni Gray, 1825
Gray, 1825, Ann. Phil. 9: 138.
(new name for Mya variabilis Maton, 1811)

Hyria matoniGray (1825)

Unio matoniana d’Orbigny, 1835
d’Orbigny, 1835, Mag. Zool. 5(61-62): 35.
Type(s): BMNH_1854-9-4-50, Rio de la Plata, Buenos Aires, Argentina.

Unio matonianad’Orbigny (1835)
Unio (s.s.) matonianad’Orbigny (1835)
Margarita (Unio) membranaceaLea (1838)
Unio membranaceaHanley (1843)
Unio variabilisd’Orbigny (1846), Corsi (1900)
Unio membranaceusPhilippi (1848), Küster (1862)
Margaron (Unio) membranaceusLea (1852), Lea (1870)
Unio (Iridea) matonianaConrad (1853)
Diplodon (Cyclomya sec. Bulloideus) variabilisSimpson (1900), Simpson (1914)
Diplodon (Bulloideus) variabilisHaas (1931), Haas (1969)
Diplodon (Rhipidodonta) variabilisBonetto (1965), Figueiras (1965)
Diplodon variabilisParodiz (1968)
Rhipidodonta variabilisSimone (2006)

Unio membranacea Hanley, 1843
Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 202, pl. 22, fig. 6.
(reference to Mytilus membranacea Maton, 1811)

Unio membranaceaHanley (1843)
Unio variabilisSowerby (1868)
Margaron (Unio) membranaceusLea (1870)
Glabaris (s.s.) membranaceusSimpson (1900)
Diplodon (Cyclomya sec. Bulloideus) variabilisSimpson (1900), Simpson (1914)
Anodontites (s.s.) membranaceusSimpson (1914)
Diplodon (Bulloideus) variabilisHaas (1931), Haas (1969)
Diplodon (Rhipidodonta) variabilisBonetto (1965), Figueiras (1965)
Diplodon variabilisParodiz (1968)
Rhipidodonta variabilisSimone (2006)

Unio subtrapezius Philippi, 1847
Philippi, 1847, Z. Malak. 4: 96.
Philippi, 1848, Abbild. Beschr. Conch. 3: 80, pl. 5, fig. 3.

Unio subtrapeziusPhilippi (1847), Philippi (1848), Küster (1862)
Margaron (Unio) membranaceusLea (1852), Lea (1870)
Unio plexusConrad (1853)
Glabaris (s.s.) membranaceusSimpson (1900)
Anodontites (s.s.) membranaceusSimpson (1914)
Lampsilis (Cyrtonaias) saladoensisFrierson (1927)
Diplodon variabilisParodiz (1968)

Unio locellus Lea, 1866
Lea, 1866, Proc. Acad. Nat. Sci. 18: 34.
Lea, 1868, Jour. Acad. Nat. Sci. 6 [O. 12]: 264, pl. 33, fig. 79.
Type(s): HOLOTYPE USNM_85189, Buenos Ayres, Argentina.

Unio locellusLea (1866)
Margaron (Unio) locellusLea (1870)
Diplodon (s.s.) locellusSimpson (1900), Simpson (1914)
Diplodon delodontus wymaniiHaas (1930)
Diplodon (Rhipidodonta) variabilisBonetto (1965), Figueiras (1965)
Diplodon burroughianus burroughianusParodiz (1968)
Diplodon (s.s.) delodontus wymaniiHaas (1969)
Diplodon burroughianusMansur (1970)
Rhipidodonta variabilisSimone (2006)

Mya variavilis Corsi, 1900
‘Matón’ Corsi, 1900, Anais Mus. Nac. Montevideo 2: 448.
(error for Mya variabilis Maton, 1811)

Mya variavilisCorsi (1900)

Diplodon subquadratus Marshall, 1922
Marshall, 1922, Proc. U.S. Nat. Mus. 61(2437): 3, pl. 2, figs. 6, 8; pl. 3, figs. 8-10.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_335774, Paysandu, Uruguay.

Diplodon subquadratusMarshall (1922)
Diplodon (Cyclomya) paranensis funebralisHaas (1931)
Diplodon subcuadratusBonetto (1959)
Diplodon (Rhipidodonta) variabilisBonetto (1965), Figueiras (1965)
Diplodon variabilisParodiz (1968)
Diplodon (Rhipidodonta) paranensis funebralisHaas (1969)
Rhipidodonta variabilisSimone (2006)

Diplodon subcuadratus Bonetto, 1959
‘Marshall’ Bonetto, 1959, unknown publication: 55.
‘Marshall’ Bonetto, 1965, Anais Congr. Lat.-Amer. Zool. 2: 47.
(error for Diplodon subquadratus Marshall, 1922)

Diplodon subcuadratusBonetto (1959)

Taxonomic History (since 1900)

Diplodon (Cyclomya sec. Bulloideus) variabilisSimpson (1900), Simpson (1914)
Unio variabilisCorsi (1900)
Glabaris (s.s.) membranaceusSimpson (1900)
Anodonta latomarginataCorsi (1900)
Diplodon (Cyclomya sec. Bulloideus) bulloidesSimpson (1900), Simpson (1914)
Diplodon (s.s.) locellusSimpson (1900), Simpson (1914)
Mya variavilisCorsi (1900)
Anodontites (s.s.) membranaceusSimpson (1914)
Diplodon subquadratusMarshall (1922)
Lampsilis (Cyrtonaias) saladoensisFrierson (1927)
Diplodon delodontus wymaniiHaas (1930)
Diplodon (Bulloideus) variabilisHaas (1931), Thiele (1934), Haas (1969)
Diplodon (Cyclomya) paranensis funebralisHaas (1931)
Diplodon variabilisBonetto (1959), Schade (1965), Parodiz (1968), Graf & Cummings (2021)
Diplodon bulloidesBonetto (1959)
Diplodon subcuadratusBonetto (1959)
Diplodon (Rhipidodonta) variabilisParodiz & Bonetto (1963), Figueiras (1965), Bonetto (1965), Pereira et al. (2014), Torres et al. (2018)
Diplodon burroughianus burroughianusParodiz (1968)
Diplodon (Bulloideus) bulloidesHaas (1969)
Diplodon (s.s.) delodontus wymaniiHaas (1969)
Diplodon (Rhipidodonta) paranensis funebralisHaas (1969)
Diplodon burroughianusMansur (1970)
Rhipidodonta variabilisSimone (2006), Graf & Cummings (2007), Bogan (2010), Mansur et al. (2020)
Diplodon (Rhipidiodonta) variabilisRumi et al. (2008)

Page updated: 17:22:58 Sun 31 Oct 2021

 
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