1) Cretaceous ammonite
Found on
https://www.crosswordclues.com/clue/fournierella
Fournierella is a member of the Muniericeratidae, a family of Upper Cretaceous ammonites characterized by moderately evolute shells with strong sinuous ribs that have tubercles on the shoulders and umbilical edge, and a more or less fastigate cross section (venter sloping on either side like a gable roof), included in the Desmocerataceae. It may b...
Found on
http://en.wikipedia.org/wiki/Fournierella
No exact match found.
