1) Cretaceous ammonite
Found on
https://www.crosswordclues.com/clue/kamerunoceras
Kamerunoceras is an extinct cephalopod genus belonging to the ammonite family Acanthoceratidae found in Upper Cretaceous formations of Nigeria and North America. Kamerunoceras, named by R.A. Reyment in 1954, was tentatively included in the acanthoceratid subfamily Mammitinae in W.J. Arkell,et al (1957) but has since been combined with Euomphalocer...
Found on
http://en.wikipedia.org/wiki/Kamerunoceras
No exact match found.
