1) Cretaceous ammonite
Found on
https://www.crosswordclues.com/clue/neoptychites
Neoptychites is an extinct ammonoid cephalopod genus from the Turonian stage of the Upper Cretaceous, with a world wide distribution. Neoptychites includes extremely involute Ammonitida whose outer whorls have a high triangular section with a moderately rounded venter (the outer rim). Tho body chamber in adults is generally smooth, with a constric...
Found on
http://en.wikipedia.org/wiki/Neoptychites
No exact match found.
