File:Pachyrhinosaurus ontogeny.png

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Reason: The epiparietal spikes were oriented incorrectly in the original description, which this restoration follows.

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Description

Pachyrhinosaurus perotorum skulls and integument reconstruction through ontogeny.

Hypothesis of craniofacial changes in osteology and integument through some of the ontogenetic stages of Pachyrhinosaurus perotorum listed in Table 2. Stage 2 skull based on juvenile P. lakustai of Currie et al.. Stage 4 skull based on DMNH 21460. Stage 6 skull based on DMNH 22558. Right-side ‘life’ reconstructions based on hypotheses of Pachyrhinosaurus integument structures of Hieronymus et al. [10], and new data from DMNH 21460. Light tan indicates ‘normal’ skin, while dark brown indicates cornified scales, horns, sheaths, or other cornified tissue. Scale bar equals 50 cm.
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Source http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0065802#pone-0065802-g001
Author Anthony R. Fiorillo, Ronald S. Tykoski
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With updated epiparietals
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current22:16, 19 June 2013Thumbnail for version as of 22:16, 19 June 20131,972 × 1,109 (109 KB)FunkMonk (talk | contribs){{Information |Description=Pachyrhinosaurus perotorum skulls and integument reconstruction through ontogeny. Hypothesis of craniofacial changes in osteology and integument through some of the ontogenetic stages of Pachyrhinosaurus perotorum listed in ...

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