†family Triadotiaridae Hagdorn 1995 (pencil urchin)

Echinoidea - Cidaroida - Triadotiaridae

Full reference: H. Hagdorn. 1995. Die Seeigel des Germanischen Oberen Muschelkalks. Geologische und Paläontologische Mitteilungen, Innsbruck 20:245-281

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

See also Hagdorn 1995 and Smith 2009

Sister taxa: Cidaridea, Delocidaris, Diplocidaridae, Fellius, Heterocidaridae, Hirudocidaris, Histocidaridea, Leurocidaris, Menocidaris, Mesodiadema, Mikrocidari, Minicidaris, Miocidaridae, Oedematocidaris, Palmerius, Paracidaridae, Polycidaridae, Prophyllacanthus, Rhabdocidaridae, Serpianotiaridae

Subtaxa: Lenticidaris Triadotiaris

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Type: Triadotiaris

Ecology: slow-moving low-level epifaunal grazer-omnivore

Distribution:

• Triassic of France (1 collection), Germany (1), Hungary (3), Poland (1), United States (14: Utah)

Total: 20 collections including 25 occurrences

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