About Pleurocera acuta Rafinesque, 1824
This is Pleurocera acuta Rafinesque, 1824. For its shell: the shell can have up to 14 whorls, and reaches a maximum length of 37 mm. Pleurocera acuta is native to the United States, where it occurs in the Ohio River and Great Lakes drainages, and along the Mississippi River west as far as Kansas and Nebraska. It is listed as threatened in some Midwestern U.S. states. The species also has nonindigenous populations in the Lower Hudson River drainage and Oneida Lake in New York State; it was likely introduced to this area through the Erie Canal. In terms of ecology, Pleurocera acuta lives in freshwater rivers and streams, where it burrows in sand and mud. The species lays its eggs in the spring.
