Template:Did you know nominations/Hildoceras bifrons

Hildoceras bifrons

 * ... that the ammonite Hildoceras bifrons (pictured) has been used as an index fossil to help identify the age of rocks?
 * Reviewed: Centennial Range

Created by Cwmhiraeth (talk). Self nominated at 06:40, 21 March 2013 (UTC).


 * Symbol confirmed.svg Hook verified online, article ready, img good, QPQ good, character count is confirmed at 2593 by DYKcheck! --  Rcej (Robert) –  talk  09:11, 21 March 2013 (UTC)