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re: pterosaur wings and scans



Original Message by David Peters Tuesday, 3. December 2002 13:32

> Pterosaur tracks are now known from more than 30 localities ranging from
> the
> late Middle Triassic >>
>
> I've not heard of these. Can you give references? I'm intrigued!

Wait a minute -- Middle Triassic?

> Imagine Nyctosaurus _trying_ to walk quadrupedally.

Wouldn't its lack of fingers except no. 4 have been a hindrance, too?