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
Wed 04 February 2026
Bivalvia | ... | Unionidae | Unioninae | Anodontini | Alasmidontina | Alasmidonta mccordi
nominal species Alasmidonta mccordi Athearn, 1964
Alasmidonta mccordi Athearn, 1964 = Alasmidonta mccordi
Athearn, 1964. Nautilus 77(4): 134, pl. 9, figs. a-b.
Type(s): HOLOTYPE (ORIG. DESIG.) NMC_20094, Coosa River, Ten Island Shoals, just below old Lock 2 Dam, three and two-tenths miles south of Greenport, St. Clair County, Alabama.
Taxonomic Opinions
= Alasmidonta mccordi Athearn, 1964 — FMCS, 2025
= Alasmidonta mccordi Athearn, 1964 — Whelan et al., 2023
= Alasmidonta mccordi Athearn, 1964 — Hopper et al., 2023
= Alasmidonta mccordi Athearn, 1964 — Williams et al., 2022
= Alasmidonta mccordi Athearn, 1964 — Graf & Cummings, 2021
= Alasmidonta mccordi Athearn, 1964 — FMCS, 2021
= Alasmidonta mccordi Athearn, 1964 — Williams et al., 2017
= Alasmidonta mccordi Athearn, 1964 — ITIS, 2012
= Alasmidonta mccordi — Haag, 2012
= Alasmidonta mccordi Athearn, 1964 — IUCN, 2011
= Alasmidonta mccordi Athearn, 1964 — Bogan, 2010
= Alasmidonta mccordi — Cummings & Graf, 2010
= Alasmidonta mccordi Athearn, 1964 — Williams et al., 2008
= Alasmidonta (Alasmidens) mccordi Athearn, 1964 — Graf & Cummings, 2007
= Alasmidonta mccordi Athearn — Lydeard et al., 1999
= Alasmidonta mccordi Athearn, 1964 — Turgeon et al., 1998
= Alasmidonta mccordi Athearn — Williams et al., 1993
= Alasmidonta mccordi Athearn, 1964 — Bogan, 1993
= Alasmidonta maccordi Athearn, 1964 — Turgeon et al., 1988
= Alasmidonta (Alasmidens) mccordi Athearn, 1964 — Clarke, 1981
= Alasmidonta (s.s.) mccordi Athearn, 1964 — Burch, 1975
= Alasmidonta mccordi new species — Athearn, 1964
