†Protoscutella mississippiensis mississippiensis Twitchell 1915 (sand dollar)
Echinoidea - Clypeasteroida - Protoscutellidae
Belongs to Protoscutella mississippiensis according to Twitchell 1915
Sister taxon: Protoscutella mississippiensis rosehillensis
Ecology: slow-moving semi-infaunal detritivore
Distribution: there are no occurrences of Protoscutella mississippiensis mississippiensis in the database