Pachydesmoceras

Pachydesmoceras Temporal range: Cretaceous
Pachydesmoceras sp., upper Cretaceous (Turonian), from Madagascar
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Genus:	Pachydesmoceras Spath, 1922

Pachydesmoceras is a genus of ammonites belonging to the family Desmoceratidae.

Species of this genus were fast-moving nektonic carnivorous shelled cephalopods. They lived during the Cretaceous, from the Albian (112.0-99.6 Mya) to the Santonian (85.8-83.5 Mya) stage.

Distribution[]

Cretaceous of Antarctica, Cameroon, India, Japan, Nigeria, Romania, United States (California).

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  Fossil of Pachydesmoceras pachydiscoide from Japan. Exhibit in the National Museum of Nature and Science, Tokyo, Japan.

See also[]

• Cephalopod size

References[]

• Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopodes Archived 2016-02-25 at the Wayback Machine
• Paleobiology Database
• Adrian Kin First record of the puzosiine ammonite genus Pachydesmoceras from the Middle and Upper Turonian of Poland
• Tatsuro Matsumoto Note on Pachydesmoceras, a Cretaceous ammonite genus^{[permanent dead link]}

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