Journal article
An immature Pachyrhinosaurus perotorum (Dinosauria: Ceratopsidae) nasal reveals unexpected complexity of craniofacial ontogeny and integument in Pachyrhinosaurus
Citation
Fiorillo, A. R.; Tykoski, R. S. (2013). An immature Pachyrhinosaurus perotorum (Dinosauria: Ceratopsidae) nasal reveals unexpected complexity of craniofacial ontogeny and integument in Pachyrhinosaurus. PLOS ONE 8(6): e65802. Public Library of Science (PLoS). doi:10.1371/journal.pone.0065802