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†family Triadocidaridae Smith 1994 (sea urchin)

Echinoidea - Euechinoidea

PaleoDB taxon number: 267704

Full reference: A. B. Smith. 1994. Triassic echinoids from Peru. Palaeontographica Abteilung A 233:177-202

Parent taxon: Euechinoidea according to A. B. Smith 1994

Sister taxa: Acroechinoidea, Diadematacea, Echinacea, Echinothurioida, Galeroclypeus, Loriolella, Serpianotiaroida, Triadotiaroida

Subtaxa: Levicidaris, Megaporocidaris, Mikrocidaris, Parvicidaris, Triadocidaris, Vinchuscanchaia, Zardinechinus

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Type: Triadocidaris

Ecology: epifaunal grazer-deposit feeder