Restoring the tip of the Pteranodon rostrum in UALVP 24238
Another short one today.
Everyone in pterosaur land has wondered what shape and length the missing tip of the rostrum took on in the UALVP 24238 specimen of Pteranodon (improperly called ‘Dawndraco‘, Fig. 1). That’s because, unlike most other specimens, the upper and lower margins don’t converge to form a triangle in lateral view, but remain essentially parallel for most of their length.
The privately held
Tanking-Davis specimen of Pteranodon is the most similar to the UALVP 24238 rostrum. Yes, it converges, but at a very shallower angle. Anteriorly the ventral margin curves up to meet the very straight dorsal margin. The same can be imagined/restored for the missing UALVP 24238 rostrum, and the result appears to be reasonable.
As in most pterosaur genera,
no two specimens are identical. See the panoply of known relatively complete Pteranodon skulls to scale and in phylogenetic order here.
Source: https://pterosaurheresies.wordpress.com/2018/08/18/restoring-the-tip-of-the-pteranodon-rostrum-in-ualvp-24238/
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