Sep 15, 2010 - References ml#ref-list-1 .... vertebrate species from the exceptionally diverse and ... geological stages of the Late Cretaceous, and have been.
Downloaded from rspb.royalsocietypublishing.org on September 16, 2010
Sharks that pass in the night: using Geographical Information Systems to investigate competition in the Cretaceous Western Interior Seaway Corinne E. Myers and Bruce S. Lieberman Proc. R. Soc. B published online 15 September 2010 doi: 10.1098/rspb.2010.1617