Paradeshayesites

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Paradeshayesites
Temporal range: Aptian
Scientific classification
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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