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Uteodon and Osmakasaurus, new genera from Camptosaurus species

From: Ben Creisler

New in Zootaxa :

McDonald, Andrew T. (2011)
The taxonomy of species assigned to Camptosaurus (Dinosauria: Ornithopoda).
Zootaxa 2783: 52?68   (2011) 
first page preview at: http://www.mapress.com/zootaxa/2011/f/z02783p068f.pdf

The taxonomic affinities of species assigned to Camptosaurus are reassessed
in light of firsthand examination of the relevant specimens and a new
phylogenetic analysis, the first to incorporate all putative species of
Camptosaurus. ?Camptosaurus?  valdensis is found to be an indeterminate
dryosaurid. The species C. prestwichii, C. aphanoecetes, and C. depressus
differ in several important details from the type species, C. dispar, and
are assigned to different genera as Cumnoria prestwichii, Uteodon
aphanoecetes gen. et comb. nov., and Osmakasaurus depressus gen. et comb.
nov. The recent assignment of O. depressus to the genus Planicoxa is
considered unjustified. 

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