[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: Declining pterosaur diversity




John Bois wrote:

> On Sat, 27 Nov 2004, David Marjanovic wrote:
>
> The authors propose inverting the traditional
> question of "When did the last pterosaurs and dinosaurs become extinct?",
> to "When did mammals and birds start replacing small dinosaurs and
> pterosaurs?" (This is a question I have often asked on this list.)

I've got a similar question, "When did birds start replacing large
pterosaurs"?JimC