Castle, W. E. (1900). Some North American Fresh-Water Rhynchiobdellidae, and their parasites. Bulletin of the Museum of Comparative Zoology at Harvard College. 36: 17-64.
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Castle, W. E.
1900
Some North American Fresh-Water Rhynchiobdellidae, and their parasites
Bulletin of the Museum of Comparative Zoology at Harvard College