Echinoidea - Irregularia

PaleoDB taxon number: 168457

Alternative spellings: Echinoneina, Echinoneoina

Full reference: H. L. Clark. 1925. A Catalogue of the Recent Sea-Urchins (Echinoidea) in the Collection of the British Museum (Natural History). Oxford University Press, London 1-250

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

Sister taxa: Atelostomata, Holectypoida, Microstomata, Pygasteridae

Subtaxa: Cluniaster, Conulidea, Echinoneidae, Mattsechinus

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Ecology: epifaunal grazer-deposit feeder