Placobdella cryptobranchii (Rhynchobdellida: Glossiphoniidae) on Cryptobranchus alleganiensis bishopi (Ozark Hellbender) in Arkansas and MissouriDOI: info:10.1654/4300.1v. 75No. 198–101
Moser, William E., Richardson , D. J., Wheeler , B. A., Irwin, K. J., Daniels , B. A., Trauth, S. A., and Klemm, D. J. 2008. "Placobdella cryptobranchii (Rhynchobdellida: Glossiphoniidae) on Cryptobranchus alleganiensis bishopi (Ozark Hellbender) in Arkansas and Missouri." Comparative Parasitology, 75, (1) 98–101. https://doi.org/10.1654/4300.1.