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 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 (6: California collections)
• Miocene of United States (2: California)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.