Type
Zone
Age range
97.26–96.24 Ma
Late Cretaceous
Cenomanian
Acanthoceras granerosense
Conlinoceras tarrantense - Conlinoceras gilberti
97.397.397.297.297.197.097.097.096.996.896.896.896.796.796.696.596.596.596.496.396.396.396.2