With the pterosaur postrs flying thick and fast on here, it seemed appropriate to pick a pterosaur based AABQOTW. This time out then it is that ongoing issue of just what was the orientation of the pteroid? As ever, you can see the debate here.

1 Response to “AABQOTW 8”

  1. 1 Zach Miller 13/01/2009 at 3:17 am

    Well, I saw Unwin & Co.’s paper on this topic at SVP ’08, and their orientation (and rebuilt pterosaur wrist) looked really bizarre to me. I remain unconvinced. The vast majority of preserved pterosaur wrists show a pteroid pointing toward the body.

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