Echinoidea - Clypeasteroida - Echinarachniidae
Alternative combinations: Clypeaster brewerianus, Echinarachinus brewerianus
Belongs to Astrodapsis according to C. A. Hall 1962
See also Clark and Twitchell 1915, Durham 1955, Gabb 1866, Grant and Hertlein 1938, Kew 1920 and Merriam 1899
Sister taxa: Astrodapsis antiselli, Astrodapsis arnoldi, Astrodapsis cierboensis, Astrodapsis davisi, Astrodapsis depressus, Astrodapsis diabloensis, Astrodapsis fernandoensis, Astrodapsis fresnoensis, Astrodapsis israelskyi, Astrodapsis jacalitosensis, Astrodapsis kewi, Astrodapsis pabloensis, Astrodapsis peltoides, Astrodapsis spatiosus, Astrodapsis whitneyi
Distribution: found only at Walnut Creek (Miocene to Miocene of California)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.