Echinoidea - Euechinoidea

Full reference: A. B. Smith. 1981. Implications of lantern morphology for the phylogeny of post-Palaeozoic echinoids. Palaeontology 24:779-801

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

Sister taxa: Desorella, Diadematacea, Echinacea, Echinothurioida, Galeroclypeus, Infraclypeus, Loriolella, Menopygus, Serpianotiaroida, Triadocidaridae, Triadotiaroida

Subtaxa: Aspidodiatematoida, Carinacea, Diadematoida, Micropygoida, Pedinoida, Pelanechinidae

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Ecology: epifaunal grazer-deposit feeder