Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Ptychobranchus

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)
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.) brumbyana — Simpson (1900)
Pleurobema (s.s.) brumbyanum — Simpson (1914)
Lea, 1841. Proc. Amer. Phil. Soc. 2: 82.
Pleurobema (s.s.) brumbyana — Simpson (1900)
Pleurobema (s.s.) brumbyanum — Simpson (1914)

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)

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)
Ptychobranchus greeni — Simpson (1900), Simpson (1914)
Pleurobema (s.s.) brumbyana — Simpson (1900)
Ptychobranchus flavescens — Simpson (1900)
Pleurobema (s.s.) brumbyanum — Simpson (1914)