1) Cretaceous ammonite
Found on
https://www.crosswordclues.com/clue/eupachydiscus
Eupachydisus is a large, coarse-ribbed Pachydiscid ammonite genus from the Upper Cretaceous, found in Coniacian to Campanian age strata in Europe, Madagascar, Japan, and British Columbia. The whorl section in Eupachydiscus is inflated and depressed, almost round in the later growth stages. Ribs are narrow but prominent in the early whorls, becomin...
Found on
http://en.wikipedia.org/wiki/Eupachydiscus
No exact match found.
