Mixonybelinia Palm 1999

Genus Mixonybelinia Palm, 1999

TYPE SPECIES.— Nybelinia beveridgei Palm, Walter, Schwerdtfeger & Reimer, 1997.

SPECIES INCLUDED. — M. beveridgei (Palm, Walter, Schwerdtfeger & Reimer, 1997); M. edwinlintoni (Dollfus, 1960); M. southwelli (Palm & Walter, 1999).

DEFINITION

Trypanorhynchs with the characters of the Tentaculariidae Poche, 1926. Scolex compact, four triangular bothridia, with hook-like microtriches along the bothridial borders and filamentous microtriches on the rest of the bothridia and the scolex. Posterior margins of bothridia fused with peduncle. Four tentacles of variable length and width, armed with massive hooks; metabasal tentacular armature homeoacanthous with heteromorphous hooks on different tentacle surfaces. Characteristic basal armature consisting of homeomorphous hooks present. Retractor muscle originates at base of bulbs. Proglottids acraspedote or craspedote, cirrus unarmed, genital pores alternate irregularly (three species).