Family Mellitidae Stefanini 1912 (sand dollar)

Echinoidea - Clypeasteroida - Mellitidae

Full reference: G. Stefanini. 1912. Osservazioni sulla distribuzione geografica, sulla origini e sulla filogenesi degli Scutellidae. Bolletino della Societa Geologica Italiana 30:739-754

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

See also Durham 1966

Sister taxa: Abertellidae, Astriclypeidae, Dendrasteridae, Echinarachniidae, Eoscutellidae, Monophorasteridae, Placatenellidae, Protoscutellidae, Rotulidae, Scutasteridae, Scutellidae, Taiwanasteridae

Subtaxa: Encope Leodia Mellita Mellitella

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Type: Mellita

Ecology: slow-moving semi-infaunal detritivore

Distribution:

• Quaternary of Mexico (9 collections), United States (12: Florida, South Carolina)

• Pliocene to Pleistocene of Mexico (1), United States (1: North Carolina)

• Pliocene of Colombia (1), Ecuador (2), Mexico (10), United States (16: California, Florida, North Carolina, South Carolina, Virginia)

• Miocene of Colombia (2), the Dominican Republic (4), Mexico (2), Panama (3)

Total: 63 collections including 71 occurrences

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