†Echinarachnius andersoni Twitchell 1905 (sand dollar)
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Echinoidea - Clypeasteroida - Echinarachniidae
Belongs to Echinarachnius according to Twitchell 1905
Sister taxa: Echinarachnius alaskense, Echinarachnius astrodapsoides, Echinarachnius brewerianus, Echinarachnius newcombei, Echinarachnius parma, Echinarachnius plafkeri, Echinarachnius ungaensis
Ecology: slow-moving semi-infaunal detritivore
Distribution: found only at Coyote Creek (Miocene of California)
Specimen images are retrieved through the ePANDDA API.
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