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

Re: Why did Phorusracids go extinct?

At 5:10 PM -0400 10/28/06, Nick Pharris wrote:
>Quoting Jeff Hecht <jeff@jeffhecht.com>:
>> Bruce MacFadden reported at SVP that evidence from Florida suggesting 
>> Titanis walleri might have survived until about 15,000 years ago was not 
>> valid, leaving the oldest evidence of it from 2 million years ago.
>Um, do you mean youngest evidence?

Oops... Yes, I do. MacFadden cited evidence of its presence from 5 MA to 2 MA 
in North America, but none afterwards. 

Jeff Hecht, science & technology writer
jeff@jeffhecht.com  http://www.jhecht.net
Boston Correspondent: New Scientist magazine
Contributing Editor: Laser Focus World
525 Auburn St., Auburndale, MA 02466 USA
v. 617-965-3834; fax 617-332-4760