Echinoidea - Holasteroida - Plexechinidae

Full reference: R. Mooi and B. David. 1996. Phylogenetic analysis of extreme morphologies: deep-sea holasteroid echinoids. Journal of Natural History 30:913-953

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

Sister taxa: Carnarechinidae, Pourtalesiidae, Urechinidae

Subtaxa: Plexechinus

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Ecology: semi-infaunal detritivore

Distribution: there are no occurrences of Plexechinidae in the database

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