Nucleolites (Cassidulus) Lamarck 1801 (sea urchin)

Echinoidea - Irregularia - Disasteridae

Alternative spelling: Cassidulus

Full reference: J. -B. Lamarck. 1801. Système des Animaux sans Vertèbres, ou Tableau général des classes, des ordres et des genres de ces animaux. 8:1-432

Parent taxon: Nucleolites according to E. Forbes 1846

See also Kier 1966 and Sepkoski 2002

Sister taxa: Nucleolites (Pygorhynchus), Echinobrissus clunicularis, Echinobrissus elongatus, Echinobrissus orbicularis, Echinobrissus pilensis, Echinobrissus terquemi

Subtaxa: Cassidulus (Cassidulus) Cassidulus (Galerolampas) Cassidulus gouldii Cassidulus rojasi Nucleolites (Cassidulus) elatus

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Ecology: epifaunal grazer-deposit feeder

Distribution:

• Quaternary of United States (2: Florida collections)

• Hemphillian of United States (1: Alabama)

• Miocene of Brazil (2)

• Oligocene of Cuba (1), United States (5: Florida, Georgia)

• Eocene of Colombia (1), Egypt (1), Germany (1), United States (8: Alabama, Florida, Georgia, North Carolina)

• Paleocene of Denmark (1), Nigeria (2)

• Cretaceous of United States (5: California)

Total: 30 collections including 36 occurrences

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