1) Mississippian ammonite
Found on
https://www.crosswordclues.com/clue/cravenoceras
Cravevoceras is an Upper Paleozoic ammonite in the gonititid family Cravenoceratidae, probably derived from Pachylyroceras and contemporaty with other cravenoceratid genera like Caenolyroceras, Tympanoceras and later Alaoceras and Lyrogoniatites. It is also a member of the Neoglyphiocerataceae. The shell of Cravenoceras is thickly discoidal to glo...
Found on
http://en.wikipedia.org/wiki/Cravenoceras
No exact match found.
