Family Heterothyonidae Pawson 1970 (sea cucumber)

Holothuroidea - Dendrochirotida - Heterothyonidae

Full reference: D. L. Pawson. 1970. The marine fauna of New Zealand: sea cucumbers (Echinodermata: Holothuroidea). New Zealand Department of Scientific and Industrial Research, Bulletin 201:7-69

Parent taxon: Dendrochirotida according to P. A. Jell 2010

See also Kerr and Kim 2001 and Smith and Gallemi 1991

Sister taxa: Andenothyone, Binoculites, Calclamnidae, Cucumariidae, Phyllophoridae, Placothuriidae, Priscoligula, Priscopedatoides, Pseudostaurocumites, Psolidae, Schlumbergeritidae, Sclerodactylidae

Subtaxa: Porosothyone Strobilothyone

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Ecology: stationary epifaunal suspension feeder-detritivore

Distribution:

• Triassic of Spain (2 collections)

• Silurian of Australia (2)

Total: 4 collections each including a single occurrence

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