Biology:Paradeshayesites

Paradeshayesites Temporal range: Aptian PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Order:	Ammonitida
Suborder:	Ancyloceratina
Family:	Deshayesitidae
Genus:	Paradeshayesites Kemper, 1967

Paradeshayesites is an extinct genus of cephalopod belonging to the Ammonite subclass.

Biostratigraphic significance

The International Commission on Stratigraphy (ICS) has assigned the First Appearance Datum of Paradeshayesites oglanlensis as the defining biological marker for the start of the Aptian Stage of the Cretaceous, ~125.0 million years ago.

References

Wikidata ☰ Q16956548 entry