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Hello.
On Dinosauria On-Line's JDP,
there is "an estimation of the various Hell Creek Formation dinosaur
populations": 61% ceratopsids, 23% hadrosaurids, etc. It says it is
based on field studies by White, Fastovsky and Sheehan (1998) and
lists the source as:
White, P.D., D.E. Fastovsky, and P.M. Sheehan. 1998. Taphonomy
and suggested structure of the dinosaurian assemblage of the Hell Creek
Formation (Maastrichtian), eastern Montana and western North Dakota.
Palaios, volume 13:41-51.
Does anyone know in what publication I might be able to find
the same sort of paleo-population estimate done for the Dinosaur Park Formation,
with percentages for the major dinosaur groups? Please respond to me
directly (off-list), as I am about to unsubscribe to go on
vacation.
Thanks!
-Grant
--
Grant Harding High school student/closet paleontologist granth@cyberus.ca Visit Grant Harding's Dinosaur Destination at http://www.cyberus.ca/~sharding/grant/ "...I suspect he actually has a subspecies of _Stenonychosaurus_, though I haven't decided for sure...small Triassic carnivore--two meters from pes to acetabulum. In point of fact, a rather ordinary theropod..." -from Crichton's _The Lost World_ |