''Ropoloceras'' is an extinct ancyloceratin genus included in the family

Crioceratitidae Crioceratitidae is an extinct cephalopod family belonging to the subclass Ammonoidea and included in the order Ammonitida. Genera * '' Acantholytoceras'' Spath, 1932 * ''Balearites ''Balearites'' is an extinct ancyloceratin genus included i ...

, subclass

Ammonoidea Ammonoids are extinct, (typically) coiled-shelled cephalopods comprising the subclass Ammonoidea. They are more closely related to living octopuses, squid, and cuttlefish (which comprise the clade Coleoidea) than they are to nautiluses (family N ...

, from the Upper Hauterivian. Fossils belonging to this genera were found on localities that are now in Switzerland, France and Spain.

References

Ammonitida genera Crioceratitidae Fossils of France Fossils of Switzerland Fossils of Spain Hauterivian life Early Cretaceous ammonites of Europe {{Ammonitida-stub