Carboniferous Time Slices
Carboniferous 1
Carboniferous 1: early Tournaisian (about 359-350 million years)
Carboniferous 2: late Tournaisian through early Visean (about 350-341 million years)
Carboniferous 3: middle Visean (about 341-331 million years)
Carboniferous 4: late Visean (about 331-328 million years)
Carboniferous 5: Serpukhovian through early Bashkirian (about 328-315 million years)
Carboniferous 6: late Bashkirian through Moscovian (about 315-299 million years)