Re: Extinction once again (crocs)

[John Bois <jbois@umd5.umd.edu>]

On Mon, 19 Feb 2001, Brian Choo wrote:

> ...> That would have to be Mekosuchus inexpectus...not a ziphodont but 
> (surprise
> surprise) a mekosuchine and was as such a relict insular population of an
> aussie radiation of the Crocodylidae (following Willis's assessment of the
> group) that went extinct on the continent in the late Pleistocene. Was
 almost certainly a semiaquatic form although some continental
> representatives of the group were terrestrial.

Do we know why Australia harbors more large crocs and varanids than other
continents?  Was Mekosuchus a big croc?
Thanks,
John Bois