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. 2014 Feb 27;9(2):e89165. doi: 10.1371/journal.pone.0089165

Figure 7. Archosaurus rossicus, a proterosuchid archosauriform from the latest Permian of Russia.

Figure 7

Left premaxilla (PIN 1100/55, holotype) in lateral (A), medial (B) and ventral (C) views. Abbreviations: alm, alveolar margin; alv, alveolus; fl, lateral flange; nf, narial fossa; pap, palatal process; ponp, postnarial process; prnp, prenarial process; sya, symphyseal area. Scale bar equals 1 cm.