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
Tue 02 June 2026
Bivalvia | Unionida | Unionoidea | Margaritiferidae | Margaritiferinae | Margaritifera
species Margaritifera marrianae R.I. Johnson, 1983: synonymy
1 specimen + 1 GenBank voucher
Synonymy
Margaritana hembeli ‘Conrad’ of Authors
(misidentified reference to Unio hembeli Conrad, 1838)
‘Conrad’ of Authors.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 679.
Ortmann, 1912. Ann. Carnegie Mus. 8: 235, fig. 3.
Simpson, 1914. Descr. Cat. Naiades: 523. [in part]
Clench & Turner, 1956. Bull. Fla. State Mus. 1: 148, pl. 5, fig. 1.
Margaritifera marrianae — R.I. Johnson (1983)
Margaritifera marrianae R.I. Johnson, 1983
R.I. Johnson, 1983. Occ. Pap. Moll. 4(62): 300, pl. 41, figs. 2-3.
Type(s): HOLOTYPE MCZ_28491, Hunter’s Creek, 8 mi SW of Evergreen, Conecuh Co., Ala.
Margaritifera marrianae — R.I. Johnson (1983), Turgeon et al. (1988), Williams et al. (1993), Ziuganov et al. (1994), Turgeon et al. (1998), ... Hopper et al. (2023), FMCS (2025), Chen et al. (2025), Moorkens et al. (2026), Campbell & Lydeard (2026)
Pseudunio marrianae — D.G. Smith (2001)
Margaritifera (s.s.) marrianae — Bolotov et al. (2016)
Taxonomic History (since 1900)
“Margaritana hembeli” ** — Simpson (1900), Ortmann (1912), Simpson (1914), Clench & Turner (1956)
Margaritifera marrianae — R.I. Johnson (1983), Turgeon et al. (1988), Williams et al. (1993), Ziuganov et al. (1994), Turgeon et al. (1998), ... Hopper et al. (2023), FMCS (2025), Chen et al. (2025), Moorkens et al. (2026), Campbell & Lydeard (2026)
Pseudunio marrianae — D.G. Smith (2001)
Margaritifera (s.s.) marrianae — Bolotov et al. (2016)
