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†family Pygasteridae Lambert 1900 (sea urchin)

Echinoidea - Irregularia

PaleoDB taxon number: 168451

Full reference: J. Lambert. 1900. Étude sur quelques échinides de l’infra-Lias et du Lias. Bulletin de la Société des Sciences Historiques et Naturelles de l’Yonne 53(2):3-57

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

Sister taxa: Atelostomata, Echinoneoida, Holectypoida, Microstomata

Subtaxa: Pileus, Plesiechinus, Pygaster

View classification

Type: Pygaster

Ecology: epifaunal grazer-deposit feeder