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Acriaster Smith 1991 (sea urchin)

Echinoidea - Cassiduloida

PaleoDB taxon number: 33188

Full reference: A. B. Smith. 1991. Taxonomic descriptions, in Cretaceous echinoids from north-eastern Brazil. Fossils and Strata 31:1-88

Parent taxon: Archiaciidae according to A. B. Smith 1991

Sister taxa: Archiacia, Gentilia

Subtaxa: Acriaster sergipensis

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Type: Acriaster sergipensis

Ecology: slow-moving semi-infaunal detritivore