Stratigraphic distribution of sauropods in the Upper Cretaceous of the San Juan Basin, New Mexico, with comments on North America's Cretaceous "sauropod hiatus"

T. E. Williamson, and A. Weil

2008

Article

Journal of Vertebrate Paleontology 28(4):1218-1223

Find it at:

http://dx.doi.org/10.1671/0272-4634-28.4.1218