
1) Cretaceous ammonite
Found on
https://www.crosswordclues.com/clue/morrowites

Morrowites, named by Cobban and Hook, 1983, is a moderate to large-sized ammonite with quadrangular to depressed whorls, broadly rounded to depressed venter, low ribs, umbilical and inner and outer ventrolateral tubercles and smooth early whorls except for occasional ribs along weak constrictions. The suture is moderately simple and has an unusual...
Found on
http://en.wikipedia.org/wiki/Morrowites
No exact match found.