†Petalobrissus (Paralampas) Duncan and Sladen 1882 (sand dollar)

Echinoidea - Clypeasteroida - Faujasiidae

Alternative spellings: Cassidulus (Paralampas), Paralampas

Parent taxon: Petalobrissus according to A. B. Smith and C. H. Jeffery 2000

See also Cooke 1942 and Sanchez-Roig 1953

Sister taxa: Petalobrissus cubensis, Petalobrissus linguiformis, Petalobrissus rawdahensis, Petalobrissus setifensis

Subtaxa: Cassidulus (Paralampas) conradi Cassidulus (Paralampas) lyelli Paralampas conceptionis Paralampas rancureli

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Ecology: slow-moving semi-infaunal detritivore

Distribution:

• Oligocene to Miocene of United States (1: Alabama collection)

• Eocene to Oligocene of United States (1: Georgia)

• Eocene of Cote D'Ivoire (2), Cuba (1), United States (5: Florida, Georgia)

Total: 10 collections each including a single occurrence

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