†family Nucleolitidae Agassiz and Desor 1847 (sea urchin)

Echinoidea - Irregularia - Nucleolitidae

Full reference: L. Agassiz and P. J. E. Desor. 1847. Catalogue raisonné des familles, des genres, et des espèces de la classe des échinodermes. Annales des Sciences Naturelles, Troisième Série, Zoologie 7-8

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

See also Clark and Twitchell 1915, Donovan 1993, Kier 1962, Kier 1966 and Smith 1991

Sister taxa: Apatopygidae, Archiaciidae, Bothryopneustes, Cassiduloida, Clypeasteroida, Clypeidae, Clypeolampadidae, Echinolampadoida, Pygaulidae

Subtaxa: Clypeopygus Hemicara Heteronucleus Hypopygurus Nucleolites Oolopygus Phyllobrissus Plagiochasma Pseudonucleus Pseudosorella Pygaulus Pygopistes Pygorhynchus

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Ecology: epifaunal grazer-deposit feeder

Distribution:

• Miocene of United States (1: North Carolina collection)

• Eocene of Cuba (2)

• Paleocene of Argentina (2), Austria (1), Denmark (1), Libya (1), United States (10: Alabama, Georgia, New Jersey)

• Cretaceous to Paleogene of the Netherlands (1)

• Cretaceous of Angola (2), Belgium (8), Brazil (1), Chile (1), Egypt (4), France (84), Gabon (1), Israel (1), Jamaica (2), Mozambique (1), the Netherlands (7), Peru (2), Portugal (6), Saudi Arabia (1), Spain (3), Switzerland (20), USSR (2), the United Kingdom (6), United States (4: New Jersey, Texas)

• Jurassic of Armenia (1), France (11), Germany (2), Lebanon (1), Poland (8), Saudi Arabia (2), Switzerland (1), Tunisia (1), the United Kingdom (35)

Total: 237 collections including 323 occurrences

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