Description

Diagnosis: Monophyletic in molecular analyses. Females with thin, unclear opercular bars, comb collar reduced, operculum without rows of massive multifid scales; protopod of mouth cirri unsegmented, mouth appendages reduced in size; three pairs of uniramous terminal cirri; caudal appendages absent; thoracic lappets reduced; intestine without anus. Dwarf males with a pair of lobes at the base of attachment process; posterior end without apertural slit. Inhabit columella of gastropod shells occupied by hermit crabs.

Common Names

Taxonomic Hierarchy

Kingdom: Animalia

Phylum: Arthropoda

Class: Maxillopoda

Order: Apygophora

Family: Trypetesidae

Species: Trypetesidae