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

Quitmaniceras is a small, compressed, fairly evolute ammonite from the lower Turonian of Grant County, New Mexico and Trans-Pecos Texas, included in the subfamily Acanthoceratinae. The shell has a carinate venter in juveniles and one that is arched in adults, usually with a raised siphonal line,(siphonal referring to the marginal siphuncle). Ribs ...
Found on
http://en.wikipedia.org/wiki/Quitmaniceras
No exact match found.