This dinosaur restoration is inaccurate, or its accuracy is disputed.
Reason: The epiparietal spikes were oriented incorrectly in the original description, which this restoration follows.
You may ask further questions about the accuracy of this image at the image review page of WikiProject Dinosaurs on the English Wikipedia. Note that this image may be appropriate to illustrate obsolete paleontological views.
설명Pachyrhinosaurus ontogeny.png
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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{{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 ...