Ruminant grazers survived the extinction, non-ruminants were wiped out.
You need a theory to accomodate this.
13 posted on
07/23/2009 7:24:44 PM PDT by
SunkenCiv
(https://secure.freerepublic.com/donate/__Since Jan 3, 2004__Profile updated Monday, January 12, 2009)