At 02:10 PM 22/05/00 -0400, John Bois wrote:
On Mon, 22 May 2000, Ronald Orenstein wrote:
> However, terrestrial or semi-terrestrial crocodiles, though now extinct, > survived well past the end of the Cretaceous (eg Quinkana from > Australia).
A well-respected hypothesis--that Australia is and has been relatively depauperate in large carnivorous mammals (Tim Flannery)--may keep my hypothesis alive here.