†family Pygasteridae Lambert 1900 (sea urchin)

Echinoidea - Irregularia - Pygasteridae

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

See also Clark and Twitchell 1915 and Fell 1966

Sister taxa: Atelostomata, Echinoneoida, Holectypoida, Microstomata

Subtaxa: Pileus Plesiechinus Pygaster

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Type: Pygaster

Ecology: epifaunal grazer-deposit feeder


• Cretaceous of France (5 collections)

• Jurassic of Germany (1), Iran (1), Madagascar (2), Poland (5), the United Kingdom (2), United States (1: Nevada)

Total: 17 collections including 19 occurrences

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