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. 2014 Jan 28;9(1):e87236. doi: 10.1371/journal.pone.0087236

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© 2014 Evans 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 properly credited.

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A, distal (lateral); B, dorsal; C, labial; D, lingual; and E, mesial (medial) views of left premaxilla, UA 9622. F, lingual view of right premaxilla, FMNH PR 1960.