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Prenaster Desor 1853 (heart urchin)

Echinoidea - Spatangoida - Schizasteridae

PaleoDB taxon number: 33464

Synonyms: Prenaster (Protenaster) Pomel 1883 (no. 168738), Protenaster Pomel 1883 (no. 33467)

Parent taxon: Schizasteridae according to R. A. Henderson 1975

Sister taxa: Abatus, Agassizia, Brisaster, Brisasterinae, Diploporaster, Faorina, Hemifaorina, Hemigymnia, Kina, Lambertona, Linthia, Moira, Opissaster, Parabrissus, Peribrissus, Proraster, Pseudobrissus, Schizaster, Schizopneustes, Tripylus

Subtaxa: Prenaster (Prenaster), Prenaster synapticus, Saviniaster

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Ecology: slow-moving shallow infaunal deposit feeder-detritivore