<p>Comparative Dimensions of Rynchops and Pterosaur Lower Jaws
</p><p>(A) Dorsal (left) and lateral (right) views of Rynchops niger cinerascens in foraging flight. Flight altitude was estimated from bill length, bill penetration and bill angle (45 °).
</p><p>(B) Skull of Rynchops showing cross-sectional shape of lower jaw.
</p><p>(C) Skull of Tupuxuara sp. (IMCF 1052) and cross-section of lower jaw.
</p><p>(D) Jaw fragment of <i>Banguela oberlii</i> (or <i>Thalassodromeus</i>, inaccurately referred to as <i>T. sethi</i> in source<a rel="nofollow" class="external autonumber" href="https://www.tandfonline.com/doi/abs/10.1080/02724634.2018.1443273?journalCode=ujvp20">[1]</a>) and cross-section of lower jaw.
</p>
Lines of sections indicated by red lines. Jaw section scale bars equal to 10 mm.
Stuart Humphries, Richard H. C Bonser, Mark P Witton, David M Martill
CC BY 4.0
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