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Stephenson, J. (1930). An Oligochaete worm parasitic in frogs of the genus Phrynomerus. Annals & Magazine of Natural History Series 10. 6: 367-377.
Stephenson, J. (1930). An Oligochaete worm parasitic in frogs of the genus Phrynomerus. Annals & Magazine of Natural History Series 10. 6: 367-377.