Byrd, E. E. (1939). Studies on the blood flukes of the family Spirorchidae. Part ii. Revision of the family and description of new species. Journal of the Tennessee Academy of Science. 14 (1): 116–161.
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Byrd, E. E.
1939
Studies on the blood flukes of the family Spirorchidae. Part ii. Revision of the family and description of new species