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. 2016 Jan 4;11(1):e0145805. doi: 10.1371/journal.pone.0145805

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© 2016 Campbell et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited

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Fig 11 — Articulation of epinasal with nasals (character 2) and subsequent resorption of nasal horncore (character 3): (A) epinasal disarticulated (CMN 1254; flipped), (B) epinasal articulated with suture open (CMN 2245), (C) epinasal articulated with suture closed, and (D) (YPM 2016) and (E) (CMN 8800) horncore partly resorbed. Arrows = confirmed or inferred epinasals; arrows with asterisks = resorbed surfaces; dashed lines = confirmed or inferred sutural contacts; plaster reconstruction = grey. Chasmosaurus belli (triangles), Chasmosaurus russelli (inverted triangle), and Chasmosaurus sp. specimens (diamond). [planned for column width].