Six new species of Hysterocinetidae belonging to two new genera Metaptychostomum and Proptychostomum, endocommensal Ciliates of an Oligochaete worm in Cameroons

Ngassam, P.; Grain, J.

Annales des Sciences Naturelles Zoologie et Biologie Animale 18(2): 41-49

1997

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