[On the validity of the genus Otidilepis Yamaguti, 1959 (Cestoda: Hymenolepididae) and the classification of the rostellar hooks of its type species, O. tetraciS (Cholodkowsky, 1906)].
The type material on Otidilepis tetracis (Cholodkowsky, 1906), the type species of the genus Otidilepis Yamaguti, 1959 is reinvestigated. The validity of the genus Otidilepis is confirmed. It is clearly distinguished from the genus Hispaniolepis Lopez Neyra, 1942 by the form and dimensions of the rostellar hooks as well as by the proportions of the attachment organs of the scolex (diameter of suckers: width of the rostellum). "Orthodiorchoid" type based on the hooks of D. acuminata (Clerc, 1902), type species of the genus Diorchis Clerc, 1903, is introduced. The former "diorchoid" type, based on the hooks of D. americana Ransom, 1909, is renamed in "americanoid". Rostellar hooks of O. tetracis belong to the americanoid type.
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D000818:Animals; D001700:Biomphalaria / Q000502:physiology; D058487:Cercaria / Q000033:anatomy & histology / Q000502:physiology / Q000648:ultrastructure; D002589:Cestoda / Q000033:anatomy & histology / Q000502:physiology* / Q000648:ultrastructure; D005247:Feeding Behavior / Q000502:physiology*; D033661:Oocysts / Q000502:physiology / Q000648:ultrastructure