Lyelliceratidae

Lyelliceras Temporal range: Cretaceous PreЄ Є O S D C P T J K Pg N
Fossil of Lyelliceras lyelli
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ammonitida
Superfamily:	Acanthoceratoidea
Family:	Lyelliceratidae Spath 1921

Lyelliceratidae is a family of ammonites belonging to the family Gaudryceratidae.

These cephalopods were fast-moving nektonic carnivores. They lived in the Cretaceous period (109.0 to 94.3 Ma).