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Late Maastrichtian pterosaurs from North Africa and mass extinction of Pterosauria at the Cretaceous-Paleogene boundary

Fig 4

cf. T. regalis FSAC-OB 199 and 200, ulnae.

(A) Right ulna FSAC-OB 199 in posterior view; (B) right ulna FSAC-OB 200 in posterior view.

Fig 4

doi: https://doi.org/10.1371/journal.pbio.2001663.g004