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. 2020 Jun 5;8:e9251. doi: 10.7717/peerj.9251

Figure 6. Chasmosaurinae sp. “Taxon C” NMMNH P-33906 parietal median bar.

Figure 6

Near-complete parietal median bar in right lateral (A), dorsal (B), left lateral (C), ventral (D), and ventral outline (E) views. Cross sections in posterior (F) and anterior (G) inferred views. Subtle lateral expansion at both anterior and posterior ends suggests that the length of the median bar is complete, and as such is much wider than in stratigraphically preceding forms Utahceratops, Pentaceratops, Navajoceratops, and Terminocavus. The extra width is due to more extensive tapering lateral edges (te) of the median bar which extend out into the parietal fenestrae. Scalebar = 10 cm.