Echinoidea - Clypeasteroida - Echinarachniidae
Full reference: R. W. Pack. 1909. Notes On Echinoids From The Tertiary of California. University of California Publications Bulletin of the Department of Geology 5(18):275-283
Belongs to Astrodapsis according to R. J. Stanton 1966
See also Clark and Twitchell 1915, Grant and Hertlein 1938, Hall 1962, Kew 1920 and Pack 1909
Sister taxa: Astrodapsis antiselli, Astrodapsis arnoldi, Astrodapsis brewerianus, Astrodapsis cierboensis, Astrodapsis davisi, Astrodapsis depressus, Astrodapsis diabloensis, Astrodapsis fresnoensis, Astrodapsis israelskyi, Astrodapsis jacalitosensis, Astrodapsis kewi, Astrodapsis pabloensis, Astrodapsis peltoides, Astrodapsis spatiosus, Astrodapsis whitneyi
Ecology: slow-moving semi-infaunal detritivore
Distribution:
• Pliocene of United States (5: California collections)
• Miocene of United States (2: California)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.