Hayes, W. J. Jr. (1945). Rhabdocoela of Wisconsin. II. Morphology and taxonomy of Castrella pinguis (Silliman 1884) Fuhrmann 1900. Amer Midland Naturalist, 33:440-448
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Hayes, W. J. Jr
1945
Rhabdocoela of Wisconsin. II. Morphology and taxonomy of Castrella pinguis (Silliman 1884) Fuhrmann 1900.