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Another point of contention is that
there may not have been any insect eating pterosaurs by the end of the
Cretaceous (perhaps outcompeted by birds?). If there were, one might have
expected to see some survive past the K-T boundary, as many small insect-eating
forms seem to have done.
Maybe the Cenomanian-Turonian or an earlier
3rd grade mass extinction (Aptian-Albian???) did in the anurognathids? (Just
speculating, of course, as 2 Barremian fossils won't tell us that.) I wouldn't
say many small insect-eating forms survived the K-T -- almost no birds and
almost no mammals survived, it seems.
Why
can't I think of any really small adult pterosaurs except Anurognathidae?
~:-|
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