MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Mon 2 March 2026
Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Ptychobranchus
species Ptychobranchus greenii (Conrad, 1834): synonymy
Synonymy
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 greeni — Simpson (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.) greeni — Frierson (1927), Haas (1969)
Ptychobranchus greenii — Turgeon et al. (1998), Lydeard et al. (1999), Graf & Cummings (2007), Williams et al. (2008), Bogan (2010), ... Bieler (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025), Campbell & Lydeard (2026)
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.) brumbyanus — Simpson (1900)
Pleurobema (s.s.) brumbyanum — Simpson (1914)
Pleurobema (s.s.) rubellum — Frierson (1927)
Pleurobema rubellum — Haas (1969)
Ptychobranchus greeni — Parmalee & Bogan (1998)
Ptychobranchus greenii — Williams et al. (2008), Bieler (2021)
Unio brumleyanus Lea, 1841
Lea, 1841. Proc. Amer. Phil. Soc. 2: 82.
Pleurobema (s.s.) brumbyanus — Simpson (1900)
Pleurobema (s.s.) brumbyanum — Simpson (1914)
Ptychobranchus greeni — Parmalee & Bogan (1998)
Ptychobranchus greenii — Williams 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 flavescens — Simpson (1900)
Ptychobranchus greeni — Simpson (1914), Burch (1975), Parmalee & Bogan (1998)
Ptychobranchus (s.s.) greeni — Frierson (1927), Haas (1969)
Ptychobranchus greenii — Williams 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 greeni — Simpson (1900), Simpson (1914), Burch (1975), Parmalee & Bogan (1998)
Ptychobranchus (s.s.) greeni — Frierson (1927), Haas (1969)
Ptychobranchus greenii — Williams et al. (2008)
Taxonomic History (since 1900)
Ptychobranchus greeni — Simpson (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.) brumbyanus — Simpson (1900)
Ptychobranchus flavescens — Simpson (1900)
Pleurobema (s.s.) brumbyanum — Simpson (1914)
Ptychobranchus (s.s.) greeni — Frierson (1927), Haas (1969)
Pleurobema (s.s.) rubellum — Frierson (1927)
Pleurobema rubellum — Haas (1969)
Ptychobranchus greenii — Turgeon et al. (1998), Lydeard et al. (1999), Graf & Cummings (2007), Williams et al. (2008), Bogan (2010), ... Bieler (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025), Campbell & Lydeard (2026)
