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
Type: Protoscutella
Ecology: slow-moving semi-infaunal detritivore
Distribution:
• Oligocene to Miocene of United States (1: Florida collection)
• Eocene of Japan (1), United States (116: Alabama, Florida, Georgia, Mississippi, North Carolina, South Carolina, Texas)
Total: 118 collections including 130 occurrences