†family Cucumariidae (sea cucumber)
Holothuroidea - Dendrochirotida - Cucumariidae
Parent taxon: Dendrochirotida according to A. Boczarowski 2001
See also Applegate et al. 2009, Frizzell and Exline 1966, Gilliland 1993, Pawson 1966 and Rowe and Gates 1995
Sister taxa: Andenothyone, Binoculites, Calclamnidae, Heterothyonidae, Phyllophoridae, Placothuriidae, Priscoligula, Priscopedatoides, Pseudostaurocumites, Psolidae, Schlumbergeritidae, Sclerodactylidae
Subtaxa: Cucumaria Devonothyoninae Palaeohemioedemiinae Paleopentacta Staurocaudininae
Ecology: stationary epifaunal suspension feeder-detritivore
Distribution: