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

Kossmatella is an extinct genus of ammonoid cephalopods belonging to the family Lytoceratidae. These fast-moving nektonic carnivores lived in the Cretaceous period, from Albian age to Cenomanian age. Shells of Eulytoceras species are quite small, with rounded whorl section and deep constrictions on the external surface. Fossils of species within t...
Found on
http://en.wikipedia.org/wiki/Kossmatella
No exact match found.