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Page last updated
Wed 1 October 2025

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!

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Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Cambarunio

species Cambarunio dactylus (Lea, 1840): synonymy
     2 specimens

Unio muhlfeldianus Lea, 1838
Lea, 1836. Synopsis Fam. Naiades: 27 [as ‘Margarita (Unio) mühlfeldianus’]. [nomen nudum]
Lea, 1838. Trans. Amer. Phil. Soc. 6 [O. 2]: 41, pl. 12, fig. 36.
Type(s): HOLOTYPE USNM_85262, Cumberland R., Tenn.

Lampsilis (sec. Eurynia) mühlfeldianusSimpson (1900)
Lampsilis (Eurynia) mühlfeldianusSimpson (1914)
Unio muhlfeldianusde Gregorio (1914)
Eurynia nebulosusOrtmann (1918)
Lampsilis (Ligumia) subrostrataFrierson (1927)
Ligumia subrostrataHaas (1969)
Villosa irisParmalee & Bogan (1998), Williams et al. (2008)
Cambarunio dactylus dactylusWatters (2018)

Unio dactylus Lea, 1840
Lea, 1840. Proc. Amer. Phil. Soc. 1: 287.
Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 196, pl. 9, fig. 7.
Type(s): HOLOTYPE USNM_85904, Cany [Caney] Fork, E. Tenn.

Lampsilis (sec. Eurynia) fatuusSimpson (1900)
Lampsilis (Eurynia) fatuaSimpson (1914)
Eurynia nebulosusOrtmann (1918)
Lampsilis (Ligumia) nervosaFrierson (1927)
Villosa irisParmalee & Bogan (1998), Williams et al. (2008)
Cambarunio dactylus dactylusWatters (2018)
Cambarunio dactylusGraf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)

Cambarunio dactylus anatinensis Watters, 2018
Watters, 2018. Visaya, Suppl. (10): 17, pl. 7.

Cambarunio dactylus anatinensisWatters (2018)

Cambarunio dactylus viridensis Watters, 2018
Watters, 2018. Visaya, Suppl. (10): 18, pl. 8.

Cambarunio dactylus viridensisWatters (2018)

Unio (Hyridella) muehlfeldtianus Adams & Adams, 1857
‘Lea’ Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 494 [as ‘mühlfeldtianus’].
Ortmann, 1918. Proc. Amer. Phil. Soc. 57(6): 577.

Lampsilis (sec. Eurynia) mühlfeldianusSimpson (1900)

Unio muhlfeldtianus Pilsbry & Rhoads, 1896
‘Lea’ Pilsbry & Rhoads, 1896. Proc. Acad. Nat. Sci. 48: 503.

Taxonomic History (since 1900)

Lampsilis (sec. Eurynia) mühlfeldianusSimpson (1900)
Lampsilis (sec. Eurynia) fatuusSimpson (1900)
Lampsilis (Eurynia) mühlfeldianusSimpson (1914)
Unio muhlfeldianusde Gregorio (1914)
Lampsilis (Eurynia) fatuaSimpson (1914)
Eurynia nebulosusOrtmann (1918)
Lampsilis (Ligumia) subrostrataFrierson (1927)
Lampsilis (Ligumia) nervosaFrierson (1927)
Ligumia subrostrataHaas (1969)
Villosa irisParmalee & Bogan (1998), Williams et al. (2008)
Cambarunio dactylus dactylusWatters (2018)
Cambarunio dactylus anatinensisWatters (2018)
Cambarunio dactylus viridensisWatters (2018)
Cambarunio dactylusGraf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)

 
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