This taxon is considered subjective synonym of
of the valid taxon Camarasaurus
according to the Paleobiology Database.
See the page for Camarasaurus →
Bibliography
Original description
J. A. Jensen. 1988. A fourth new sauropod dinosaur from the Upper Jurassic of the Colorado Plateau and sauropod bipedalism. The Great Basin Naturalist 48(2):121-145