Dinosaur census reveals abundant Tyrannosaurus and rare ontogenetic stages in the Upper Cretaceous Hell Creek Formation (Maastrichtian), Montana, USA.

Dinosaur census reveals abundant Tyrannosaurus and rare ontogenetic stages in the Upper Cretaceous Hell Creek Formation (Maastrichtian), Montana, USA.

A dinosaur census recorded during the Hell Creek Project (1999-2009) incorporates multiple lines of evidence from geography, taphohistory, stratigraphy, phylogeny and ontogeny to investigate the relative abundance of large dinosaurs preserved in the Upper Cretaceous Hell Creek Formation of northeast...

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Bibliographic Details
Main Authors: John R Horner, Mark B Goodwin, Nathan Myhrvold
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2011-02-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3036655?pdf=render

Internet

http://europepmc.org/articles/PMC3036655?pdf=render

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