Rankin, J. S. (1939). Studies on the trematode family Microphallidae Travassos, 1921. I. The genus Levinseniella Stiles and Hassall, 1901, and description of a new genus, Cornucopula. Transactions of the American Microscopical Society. 58 (4): 431–447.
Studies on the trematode family Microphallidae Travassos, 1921. I. The genus Levinseniella Stiles and Hassall, 1901, and description of a new genus, Cornucopula
Transactions of the American Microscopical Society
