The Frasnian is one of two faunal stages in the Late Devonian period. It lasted from million years ago to million years ago. It was preceded by the Givetian stage and followed by the Famennian stage.
The Frasnian is one of two faunal stages in the Late Devonian period. It lasted from million years ago to million years ago. It was preceded by the Givetian stage and followed by the Famennian stage.