†Echinarachnius plafkeri Wagner 1974 (sand dollar)
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Echinoidea - Clypeasteroida - Echinarachniidae
Full reference: C. D. Wagner. 1974. Fossil and recent sand dollar echinoids of Alaska. Journal of Paleontology 48(1):105-123
Belongs to Echinarachnius according to C. D. Wagner 1974
Sister taxa: Echinarachnius alaskense, Echinarachnius andersoni, Echinarachnius astrodapsoides, Echinarachnius brewerianus, Echinarachnius newcombei, Echinarachnius parma, Echinarachnius ungaensis
Type specimen: USNM 181142. Its type locality is Icy Point, which is in a Miocene marine sandstone in the Yakataga Formation of Alaska.
Ecology: slow-moving semi-infaunal detritivore
Distribution: found only at Icy Point
Specimen images are retrieved through the ePANDDA API.
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