Allocrioceras

Allocrioceras is an ammonoid cephalopod from the mid-Cretaceous included in the turrilitacean family Anisoceratidae. Its shell is strongly ribbed and is in the form of a widely open spiral.

Allocrioceras

Allocrioceras is an ammonoid cephalopod from the mid-Cretaceous included in the turrilitacean family Anisoceratidae. Its shell is strongly ribbed and is in the form of a widely open spiral.