Encope Agassiz 1840 (sand dollar)

Echinoidea - Clypeasteroida - Mellitidae

Full reference: L. Agassiz. 1840. Catalogus systematicus Ectyporum Echinodermatum fossilium Musei Neocomiensis, secundum ordinem zoologicum dispositus; adjectis synonymis recentioribus, nec non stratis et locis in quibus reperiuntur. Sequuntur characteres diagnostici generum novorum vel minus cognitorum. Petitpierre, Neuchâtel 1-20

Parent taxon: Mellitidae according to J. W. Durham 1955

See also Clark and Twitchell 1915, Cooke 1942, Durham 1966, Grant and Hertlein 1938, Kew 1920 and Sepkoski 2002

Sister taxa: Leodia, Mellita, Mellitella

Subtaxa: Encope aberrans Encope annectans Encope californica Encope chilensis Encope ciae Encope emarginata Encope grandis Encope macrophora Encope megatrema Encope michelini Encope micropora Encope occidentalis Encope perspectiva Encope peruviana Encope platytata Encope tatetlaensis Encope tenuis Encope wiedenmayeri

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Ecology: slow-moving semi-infaunal detritivore

Distribution:

• Quaternary of Mexico (12 collections), United States (10: Florida, South Carolina)

• Pliocene to Pleistocene of Mexico (1)

• Pliocene of Colombia (1), Ecuador (3), Mexico (10), United States (18: California, Florida, North Carolina, South Carolina)

• Miocene to Pliocene of Aruba (2), the Netherlands Antilles (1), United States (1: California)

• Miocene of Chile (1), Colombia (2), the Dominican Republic (1), Mexico (2), Panama (3), Peru (1)

Total: 69 collections including 76 occurrences

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