Echinoidea - Temnopleuroida

Alternative spelling: Temnopleurina

Full reference: T. Mortensen. 1942. New Echinoidea (Camarodonta). Preliminary notice. Videnskabelige Meddelelsar Dansk Naturhistoriske Forening i Kjøbenhavn 106:225-232

Parent taxon: Echinoidea according to S. K. Donovan 1993

Sister taxa: Acrosalenioida, Archaeocidaridae, Bromidechinus, Cassiduloidea, Cidarites, Cidaroidea, Diplocidaroida, Disasteroida, Dysaster, Echinocrinus, Echinoida, Euechinoidea, Gnathostomata, Hemicidaroidea, Oligopygoida, Parechinus, Perischoechinoidea, Radiolus, Regularia

Subtaxa: Ambipleurus, Arbacina, Asaphechinus, Cryptechinus, Echinopsis, Gagaria, Hebertia, Medocechinus, Micropsidia, Mirechinus, Pentechinus, Prionechinus, Tatechinus

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Ecology: slow-moving low-level epifaunal grazer