''Peroniceras'' is an ammonite (an
extinct
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...
group of marine
mollusc
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...
) belonging to the
Ammonitida family
Collignoniceratidae
Collignoniceratidae is a family of Upper Cretaceous ammonites characterized by typically more or less evolute shells with compressed, oval, or square whorl sections; serrate or entire keels; and dense ribs with one to 5 tubercles.
Taxonomy
This ...
.
Species of this genus were widespread throughout the world. They were fast-moving nektonic carnivore shelled
ammonoid
Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living coleoids (i.e., octopuses, squid and cuttlefish) ...
s.
Distribution
Cretaceous of Antarctica, Cameroon, Canada (British Columbia), Denmark, France, India, Mexico, Nigeria, South Africa, United States (California), Venezuela ; Jurassic of Japan
References
Further reading
* John Bernard Reesid
The cephalopods of the Eagle sandstone and related formations
Ammonitida genera
Collignoniceratidae
Cretaceous ammonites
Ammonites of Africa
Cretaceous Africa
Ammonites of Asia
Jurassic Asia
Ammonites of Europe
Cretaceous Europe
Ammonites of North America
Cretaceous Canada
Cretaceous Mexico
Cretaceous United States
Ammonites of South America
Cretaceous Venezuela
Coniacian genus first appearances
Santonian genus extinctions
{{Ammonitina-stub