Paradeshayesites
| Paradeshayesites Temporal range: Aptian PreꞒ Ꞓ 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[1] 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
- ^ The Origin and evolution of the family Deshayesitidae Stoyanow, 1949 Archived 2011-05-31 at the Wayback Machine
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