Publication Burch (1975): summary

Full Citation

Burch, J.B. 1975. Freshwater Sphaeriacean Clams (Mollusca: Pelecypoda) of North America. 96 pp.

Attributed Nominal Species

Cyclas similas Burch, 1975 = Sphaerium simile

‘Say’ Burch, 1975. Freshw. Sphaer. North Amer.: 48.
(error for Cyclas similis Say, 1817)

Taxonomic Opinions

42 species (and/or subspecies) were recognized as valid in this publication (353 total species taxonomic opinions).