Family Elpidiidae Theel 1882 (sea cucumber)
Holothuroidea - Elasipodida - Elpidiidae
Parent taxon: Elasipodida according to D. L. Frizzell and H. Exline 1966
Sister taxa: Deimatidae, Laetmogonidae, Oneirophantites, Palaeocaudinidae, Pelagothuriidae, Psychropotidae
Subtaxa: none
Ecology: epifaunal deposit feeder-detritivore
Distribution: there are no occurrences of Elpidiidae in the database