1) Middle Jurassic extinction
Found on
https://www.crosswordclues.com/clue/cenoceras
The genus Cenoceras is a member of the Nautilidae, which in turn makes up part of the superfamily Nautilaceae. Cenoceras is variable in form, depending on species; ranges from evolute to involute, compressed lenticular to globose with rounded to flattened venter and flanks. The suture generally has shallow ventral and lateral lobes. The location o...
Found on
http://en.wikipedia.org/wiki/Cenoceras
No exact match found.
