Infraorder Urechinina Clark 1946 (sea urchin)

Echinoidea - Holasteroida

Full reference: H. L. Clark. 1946. The echinoderm fauna of Australia: Its composition and its origin. Publications Carnegie Institute Washington 566:1-567

Parent taxon: Meridosternata according to A. Kroh and A. B. Smith 2010

Sister taxa: Cardiasterina, Echinocorythidae, Holasteridae

Subtaxa: Carnarechinidae Plexechinidae Pourtalesiidae Urechinidae

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Ecology: semi-infaunal detritivore

Distribution: found only at "Cervantes", San José de las Lajas (Miocene to Miocene of Cuba)

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