Hemicosmorthoceras

Hemicosmorthoceras is a genus of ammonite, a group of extinct marine mollusk species. This genus belongs to the Cretaceous period, specifically the Albian stage. Hemicosmorthoceras is part of the Cosmoceratidae family, which is known for its diverse and abundant species during the Cretaceous period.

Description

Hemicosmorthoceras species are characterized by their coiled, discoidal shells. The shell's whorl section is typically compressed, with a sharp venter and a convex flank. The suture lines are complex and ceratitic, a common feature in the Cosmoceratidae family.

Distribution

Fossils of Hemicosmorthoceras have been found in various parts of the world, including Europe, Asia, and North America. These findings provide valuable insights into the marine ecosystems of the Cretaceous period.

Taxonomy

The taxonomy of Hemicosmorthoceras is as follows:

• Kingdom: Animalia
• Phylum: Mollusca
• Class: Cephalopoda
• Order: Ammonitida
• Family: Cosmoceratidae
• Genus: Hemicosmorthoceras

See also

• List of ammonite genera
• Cretaceous period
• Albian stage
• Cosmoceratidae

References

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