Givetian
Period
The Givetian is one of two faunal stages in the Middle Devonian Period. It lasted from 387.7 million years ago to 382.7 million years ago. It was preceded by the Eifelian Stage and followed by the Frasnian Stage. It is named after the town of... Wikipedia
Occurred: 387.7 (+/- 0.8) million years ago - 382.7 (+/- 1.6) million years ago
Epoch: Middle Devonian
Lower boundary definition: FAD of the conodont Polygnathus hemiansatus
Lower GSSP ratified: 1994
Upper boundary GSSP: Col du Puech de la Suque, Montagne Noire, France; 43°30′12″N 3°05′12″E / 43.5032°N 3.0868°E
Upper GSSP ratified: 1986