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

Fig 18. Scatter plots showing Chasmosaurus postorbital horncore size over skull size.

Fig 18

Horncore length and basal circumference (parameters 1 and 4, Fig 2, respectively) used as proxies for horncore size; rostral-to-epijugal length and squamosal length (parameters 16 and 19, Fig 2, respectively) used as proxies for skull size. Rostral-to-epijugal length vs. horncore length (A) and basal circumference (B); and squamosal length vs. horncore length (C) and basal circumference (D). Chasmosaurus belli (triangles), Chasmosaurus russelli (inverted triangles), and Chasmosaurus sp. specimens (diamonds). [planned for page width].