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. 2007 Sep 12;2(9):e889. doi: 10.1371/journal.pone.0000889

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Müller, Tsuji.

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) Right half of braincase in ventral view (PIN 4609/1), showing the fenestra ovalis (fo), the pressure relief window (prf) and the metotic fissure (mf). Bone abbreviations: bo, basioccipital; pbs, parabasisphenoid; ex, exoccipital; op, opisthoticum; pr, prootic. (b) Disarticulated braincase in dorsal view (PIN uncataloged), showing the footplate (left) and the distal process (right) of the stapes (s), and the swellings on the inner side of the otic capsule (marked by arrows) indicating an ossified medial wall of the inner ear. Additional abbreviations: so, supraoccipital. Scale bar equals 1 cm.