Acompsoceras

Acompsoceras
Temporal range: Cretaceous
Acompsoceras sp., Upper Cretaceous (Cenomanian), from Madagascar
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Family: Acanthoceratidae
Genus: Mantelliceratinae
Genus: Acompsoceras
Schluter
Species

see text

Acompsoceras is an extinct genus of cephalopod belonging to the Ammonite subclass. It grew to a large size compared to most ammonites. Its shell reached 18 inches (46 cm) in diameter when the animal reached adulthood. Acompsoceras appears in the fossil record during the early portion of the Cretaceous Cenomanian stage and goes extinct around the middle of that same stage.

Classification

Acompsoceras is in the same family as Acanthoceras, the Acanthoceratidae, and contains several species:

References

This article is issued from Wikipedia - version of the Saturday, June 06, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.