Romaniceras

Systematic Paleontology

Class: Cephalopoda

Subclass: Ammonoidea

Order: Ammonitida

Family: Acanthoceratidae

Subfamily: Acanthoceratinae

Genus: Romaniceras

Romaniceras is an acanthoceratid ammonite similar to Acanthoceras. Its shell is also evolute and strongly ribbed, but with a different pattern to the tubercles.

Fossils of Romaniceras have been found in upper Cenomanian to upper Turonian age (Upper Cretaceous) marine sediments.