Phylloceratidae ZITTEL, 1884


Fauna

Lytoceratidae

Pairs

Pseudoperisphinctidae

Parkinsoniidae

Clydoniceratidae

Morphoceratidae

Phlycticeratidae

Sphaeroceratidae

Oppeliidae

Lissoceratidae

Phylloceratidae

Family Phylloceratidae

It gathers together species like Partschiceras, Holcophylloceras, Sowerbyceras and Calliphylloceras...., the only one which has been discovered in the bathonian deposits presented on this page. Phylloceratidae are much more numerous in the tethysian area, from Lias up to the Cretaceous.

Genus Calliphylloceras

In this genus has been assembled ammonites with small umbilicus, moderately large rounded whorls and complexe suture lines. Several constrictions are clearly visible on the internal moult.

Calliphylloceras disputabile (Zittel) Ø 200 mm