Echinarachnius parma Lamarck 1816 (sand dollar)
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Echinoidea - Clypeasteroida - Echinarachniidae
Alternative combination: Scutella parma
Belongs to Echinarachnius according to C. D. Wagner 1974
See also Cooke 1942 and Grant and Hertlein 1938
Sister taxa: Echinarachnius alaskense, Echinarachnius andersoni, Echinarachnius astrodapsoides, Echinarachnius brewerianus, Echinarachnius newcombei, Echinarachnius plafkeri, Echinarachnius ungaensis
Subtaxa: Echinarachnius parma obesa
Ecology: slow-moving semi-infaunal detritivore
Distribution:
• Quaternary of United States (2: Alaska collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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