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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

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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

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