Publication Marsh (1887): summary

Full Citation

Marsh, W.A. 1887. Brief notes on the land and fresh-water shells of Mercer County, Illinois. (cont.). Conchologists’ Exchange 1(9-10): 50-51. Available electronically.

Attributed Nominal Species

image of type lot

Unio upsonii Marsh, 1887 = Ortmanniana ligamentina

Marsh, 1887. Conch. Exchange 1(9-10): 51.
Type(s): SYNTYPE MCZ_5551, Kishwaukee River, Winnebago Co., Illinois.