ammonites
Cedarosaurus weiskopfae Tidwell et al. 1999 (brachiosaurid)

Archosauria - Dinosauria - Brachiosauridae

Full reference: V. Tidwell, K. Carpenter, and W. Brooks. 1999. New sauropod from the Lower Cretaceous of Utah, USA. Oryctos 2:21-37

Belongs to Cedarosaurus according to P. Upchurch et al. 2004

Sister taxa: none

Type specimen: DMNH 39045. Its type locality is Yellow Cat sauropod quarry (DMNH 39045), which is in a Barremian crevasse splay mudstone/limestone in the Cedar Mountain Formation of Utah.

Ecology: ground dwelling herbivore