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Page last updated
Thu 17 July 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!


Bivalvia | ... | Unionidae | Ambleminae | Lampsilini | Ptychobranchus

species Ptychobranchus greenii (Conrad, 1834): synonymy
     4 specimens

Unio greenii Conrad, 1834
Conrad, 1834. New Fresh-Water Shells: 32, pl. 4, fig. 1.
Conrad, 1837. Monogr. Fam. Unionidae 1(8): 69, pl. 38, fig. 2.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 250.
Type(s): SYNTYPE USNM_84950, [Black Warrior River] Alabama.

Ptychobranchus greeniSimpson (1900), Simpson (1914), Ortmann (1925), Burch (1975), R.I. Johnson (1980), Turgeon et al. (1988), Williams et al. (1993), Parmalee & Bogan (1998), Haag (2012)
Ptychobranchus (s.s.) greeniFrierson (1927), Haas (1969)
Ptychobranchus greeniiTurgeon et al. (1998), Lydeard et al. (1999), Graf & Cummings (2007), Williams et al. (2008), Bogan (2010), ... Williams et al. (2017), Graf & Cummings (2021), Bieler (2021), FMCS (2021), Hopper et al. (2023)

Unio brumbyanus Lea, 1841
Lea, 1841. Proc. Amer. Phil. Soc. 2: 82 [as ‘brumleyanus’].
Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 245, pl. 26, fig. 62.
(error for Unio brumleyanus Lea, 1841)

Pleurobema (s.s.) brumbyanusSimpson (1900)
Pleurobema (s.s.) brumbyanumSimpson (1914)
Pleurobema (s.s.) rubellumFrierson (1927)
Pleurobema rubellumHaas (1969)
Ptychobranchus greeniParmalee & Bogan (1998)
Ptychobranchus greeniiWilliams et al. (2008), Bieler (2021)

Unio brumleyanus Lea, 1841
Lea, 1841. Proc. Amer. Phil. Soc. 2: 82.

Pleurobema (s.s.) brumbyanusSimpson (1900)
Pleurobema (s.s.) brumbyanumSimpson (1914)
Ptychobranchus greeniParmalee & Bogan (1998)
Ptychobranchus greeniiWilliams et al. (2008), Bieler (2021)

Unio flavescens Lea, 1845
Lea, 1845. Proc. Amer. Phil. Soc. 4: 163.
Lea, 1848. Trans. Amer. Phil. Soc. 10 [O. 4]: 72 [46], pl. 3, fig. 9.
Type(s): FIGURED SYNTYPE USNM_84952, Black Warrior River, Alabama.

Ptychobranchus flavescensSimpson (1900)
Ptychobranchus greeniSimpson (1914), Burch (1975), Parmalee & Bogan (1998)
Ptychobranchus (s.s.) greeniFrierson (1927), Haas (1969)
Ptychobranchus greeniiWilliams et al. (2008)

Unio simplex Lea, 1845
Lea, 1845. Proc. Amer. Phil. Soc. 4: 163.
Lea, 1848. Trans. Amer. Phil. Soc. 10 [O. 4]: 76 [50], pl. 5, fig. 15.
Type(s): FIGURED SYNTYPE USNM_84951, Black Warrior River, Alabama.

Ptychobranchus greeniSimpson (1900), Simpson (1914), Burch (1975), Parmalee & Bogan (1998)
Ptychobranchus (s.s.) greeniFrierson (1927), Haas (1969)
Ptychobranchus greeniiWilliams et al. (2008)

Taxonomic History (since 1900)

Ptychobranchus greeniSimpson (1900), Simpson (1914), Ortmann (1925), Burch (1975), R.I. Johnson (1980), Turgeon et al. (1988), Williams et al. (1993), Parmalee & Bogan (1998), Haag (2012)
Pleurobema (s.s.) brumbyanusSimpson (1900)
Ptychobranchus flavescensSimpson (1900)
Pleurobema (s.s.) brumbyanumSimpson (1914)
Ptychobranchus (s.s.) greeniFrierson (1927), Haas (1969)
Pleurobema (s.s.) rubellumFrierson (1927)
Pleurobema rubellumHaas (1969)
Ptychobranchus greeniiTurgeon et al. (1998), Lydeard et al. (1999), Graf & Cummings (2007), Williams et al. (2008), Bogan (2010), ... Williams et al. (2017), Graf & Cummings (2021), Bieler (2021), FMCS (2021), Hopper et al. (2023)

 
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