ammonites
Othnielosaurus Galton 2007 (ornithischian)

Reptilia - Dinosauria

Full reference: P. M. Galton. 2007. Teeth of ornithischian dinosaurs (mostly Ornithopoda) from the Morrison Formation (Upper Jurassic) of the western United States. In K. Carpenter (ed.), Horns and Beaks: Ceratopsian and Ornithopod Dinosaurs. Indiana University Press, Bloomington 17-47

Parent taxon: Neornithischia according to F.-L. Han et al. 2012

Sister taxa: Agilisaurus, Cerapoda, Hexinlusaurus, Neornithopoda, Stormbergia

Subtaxa: Othnielosaurus consors

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Ecology: ground dwelling herbivore