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''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