Image: Skimmer and pterosaur jaws

Description: Comparative Dimensions of Rynchops and Pterosaur Lower Jaws (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 °). (B) Skull of Rynchops showing cross-sectional shape of lower jaw. (C) Skull of Tupuxuara sp. (IMCF 1052) and cross-section of lower jaw. (D) Jaw fragment of Banguela oberlii (or Thalassodromeus, inaccurately referred to as T. sethi in source[1]) and cross-section of lower jaw. Lines of sections indicated by red lines. Jaw section scale bars equal to 10 mm.
Title: Skimmer and pterosaur jaws
Credit: https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.0050204
Author: Stuart Humphries, Richard H. C Bonser, Mark P Witton, David M Martill
Usage Terms: Creative Commons Attribution 4.0
License: CC BY 4.0
License Link: https://creativecommons.org/licenses/by/4.0
Attribution Required?: Yes