†family Heterocidaridae Mortensen 1934 (pencil urchin)

Echinoidea - Cidaroida - Heterocidaridae

Full reference: T. Mortensen. 1934. New Echinoidea (Preliminary Notice). Videnskabelige Meddelelser fra Danks naturhistorisk Forening i KĂžbenhavn 98:161-167

Parent taxon: Cidaroida according to A. B. Smith 2015

See also Fell 1966

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

Subtaxa: Heterocidaris

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Type: Heterocidaris

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

Distribution:

• Jurassic of France (1 collection), Luxembourg (2), the United Kingdom (5)

Total: 8 collections each including a single occurrence

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