Gnathodus is an extinct conodont genus in the family Idiognathodontidae.
The Tournaisian, the oldest age of the Mississippian (also known as Lower Carboniferous), contains eight conodont biozones, 3 of which are defined by Gnathodus species:
The Visean, the second age of the Mississippian, contains four conodont biozones, two of which are defined by Gnathodus species:
The Serpukhovian, the third or youngest age of the Mississippian, includes four conodont biozones, two of which are defined by Gnathodus species:
This article about a conodont is a stub. You can help Wikipedia by expanding it.
Lokasi Pengunjung: 3.138.119.196