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Achelousaurus Sampson 1994 (ceratopsid)

Reptilia - Neornithischia - Ceratopsidae

PaleoDB taxon number: 53956

Full reference: S. D. Sampson. 1994. Two new horned dinosaurs (Ornithischia: Ceratopsidae) from the Upper Cretaceous Two Medicine Formation, Montana, USA. Journal of Vertebrate Paleontology 14(3, suppl.):44A

Parent taxon: Pachyrhinosaurini according to M. J. Ryan et al. 2017

Sister taxa: Einiosaurus, Pachyrhinosaurus, Pachyrostra

Subtaxa: Achelousaurus horneri

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Ecology: ground dwelling herbivore