†family Polycidaridae Vadet 1988 (pencil urchin)

Echinoidea - Cidaroida - Polycidaridae

Synonyms: Anisocidaridae Vadet 1999, Nenoticidaridae Vadet 1988

Full reference: A. Vadet. 1988. Révision des principaux “Cidaris” de l’Oxfordien et du Kimméridgien inférieur Européens. Mémoires de la Société Académique du Boulonnais 4:1-148

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

See also Kroh and Smith 2010, Smith 2009 and Vadet et al. 2002

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

Subtaxa: Nudicidaris Paracidaris Polycidaris Romanocidaris

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Type: Polycidaris

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

Distribution:

• Jurassic of Ethiopia (1 collection), France (11), Germany (4), Luxembourg (2), Poland (4), Portugal (1), Switzerland (37), Ukraine (1), the United Kingdom (50)

• Triassic of Italy (1)

Total: 112 collections including 142 occurrences

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