Aptien

The Aptien is before the stratigraphic last stage of the Crétacé inferior. It extends from -125 ± 1 with -112 ± 1 My, succeeding the Barremien and preceding the Gault.

124,5 to -112 million years according to Harland & Al, 1989

121 to -112,2 million years according to Poling, 1995-1997-->

Stratotype

Aptien, defined by Alcide D' Orbigny in 1840, owes its name at the town of Apt.

The best candidate with the Stratotype is Gorgo has Cerbara, Piobbico, Umbria - Marche, Italy.