†family Protoscutellidae Durham 1955 (sand dollar)

Echinoidea - Clypeasteroida - Protoscutellidae

Full reference: J. W. Durham. 1955. Classification of clypeasteroid echinoids. California University Publications in Geological Sciences 31:73-198

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

See also Durham 1955, Durham 1966 and Kier 1968

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

Subtaxa: Mortonella Periarchus Protoscutella

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Type: Protoscutella

Ecology: slow-moving semi-infaunal detritivore

Distribution:

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

• Eocene of Japan (1), United States (118: Alabama, Florida, Georgia, Mississippi, North Carolina, South Carolina, Texas)

Total: 120 collections including 132 occurrences

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