
1) Triassic ammonite
Found on
https://www.crosswordclues.com/clue/paratirolites

Paratirolites is an Early Triassic ceratite from Armenia and Iran with distinct ribs, prominent ventro-lateral tubercles, and a broadly arched venter. The suture is ceratitic with a large ventral saddle. Ceratites are ammonoid cephalopods that lived during the Late Permian and Triassic. Paratirolites is included in the Xenodiscacean family Dzhulfi...
Found on
http://en.wikipedia.org/wiki/Paratirolites
No exact match found.