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. 2013 Nov 21;8(11):e79932. doi: 10.1371/journal.pone.0079932

Figure 7. Right jugal (PMU 24705/1u [formerly PMU R 233 u]) of Euhelopus zdanskyi in lateral (A) and medial (B) views prior to additional preparation, and in lateral (C), anterior (D) and medial (E) views after additional preparation.

Figure 7

As is clearly shown by comparing the two sets of photographs, the most distinctive feature of this element, the groove for articulation with the lacrimal, was only revealed after additional preparation.