Turonian Stage

The Turonian (94–90 Ma) is the second epoch of the Late Cretaceous, occurring after the Cenomanian, and before the Coniacian

Geologic Age

  • 93.9–89.8±0.3 Ma

Eon / Era / Period / Epoch

What happened during this time?

  • An anoxic event took place at the beginning of the Turonian, which is called the "Bonarelli Event".

  • Evidence of pollen from Lactoridaceae

  • Fossil assemblages from Ferron Sandstone Member of the Mancos Shale Formation in Utah shows that large angiosperm trees grew during this time (Jud et al. 2018)

    • Paraphyllanthoxylon, an angiosperm possibly in the Lauraceae, grew to at least 50m (165 ft)

Above: Paraphyllanthoxylon