Echinoidea - Clypeasteroida - Echinarachniidae
Alternative spellings: Echinarachinus, Scutella (Echinarachnius)
Full reference: J. E. Gray. 1825. An attempt to divide the Echinida, or Sea Eggs, into natural families. Annals of Philosophy, new series 10:423-431
Parent taxon: Echinarachniidae according to J. W. Durham 1955
See also Clark and Twitchell 1915, Cooke 1942, Durham 1966, Grant and Hertlein 1938, Pack 1909, Sepkoski 2002, Wagner 1974 and Weaver 1942
Sister taxa: Astrodapsis, Kewia, Nipponaster, Pseudoastrodapsis, Remondella, Tenuirachnius, Vaquerosella
Subtaxa: Echinarachnius alaskense Echinarachnius andersoni Echinarachnius astrodapsoides Echinarachnius brewerianus Echinarachnius newcombei Echinarachnius parma Echinarachnius plafkeri Echinarachnius ungaensis
Ecology: slow-moving semi-infaunal detritivore
Distribution:
• Quaternary of United States (1: Alaska collection)
• Pliocene of Taiwan (1), United States (2: Alaska)
• Miocene of United States (6: Alaska, California, New Jersey)
• Oligocene of Canada (1: British Columbia)
Total: 11 collections including 12 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.