Family Cassidulidae Agassiz and Desor 1847 (sea urchin)

Echinoidea - Cassiduloida - Cassidulidae

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: Cassidulina according to A. Kroh and A. B. Smith 2010

See also Kier 1966 and Smith 1995

Sister taxa: none

Subtaxa: Echanthus Hypsopygaster Nucleopygus Ochetes Rhyncholampas Rhynchopygus Stigmatopygus

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Type: Cassidulus

Ecology: slow-moving semi-infaunal detritivore


• Quaternary of United States (2: Florida collections)

• Pliocene of United States (1: Florida)

• Miocene of Brazil (1), United States (2: Florida)

• Oligocene to Miocene of United States (1: Florida)

• Oligocene of Cuba (2), United States (21: Florida, Georgia)

• Eocene of United States (15: Florida, Georgia, North Carolina, South Carolina)

• Paleocene of United States (4: Alabama, Georgia)

• Cretaceous to Paleogene of the Netherlands (2)

• Cretaceous of Belgium (6), Brazil (1), France (21), Jamaica (1), the Netherlands (7), Oman (4), Saudi Arabia (1), Spain (4), the United Kingdom (1), United States (3: New Jersey, Texas)

Total: 100 collections including 126 occurrences

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