Observations on the fine structure of two species of the peritrich ciliate genus Scyphidia and on their mode of attachment to their host.
D000220:Adaptation, Biological; D000818:Animals; D016798:Ciliophora / Q000166:cytology*; D005399:Fishes; D008854:Microscopy, Electron; D010271:Parasites / Q000502:physiology*