359.2 MA CARBONIFEROUS359.2 PERIOD (60 M)(359.2-299 MA)

MISSISSIPPIAN SUBPERIOD359.2 (41.10 M) (359.2-318.1)

TOURNAISIAN359.2 STAGE (Lower Carb.) (13.9 M) (359.2-345.3 MA)

345.3 MA VISIAN345.3 STAGE (Middle Carb.)(17 M) (345.3-328.3 MA)

328.3 MA SERPUKHOVIAN328.3 STAGE (Upper Carb.) (10.2 M) (328.3-318.1 MA)

320 MA Hybodonts - one of two branches of sharks (mostly saltwater) appears

318.1 MA PENNSYLVANIAN SUBPERIOD318.1(19.1 M)(318.1-299 MA)

Great Coal Age - reduction of carbon dioxide and rise of atmospheric oxygen

Hercynian - Appalachian mountain building

Huge forests of primitive plants

Age of Amphibians

Reptiles appear

BASHKIRIAN318.1 STAGE (Lower Penn. Ep.) (6.4 M) (318.1-311.7 MA)

311.7 MA MOSCOVIAN311.7 STAGE (Mid Penn. Ep.) (4.5 M) (311.7-307.2 MA)

307.2 MA UPPER PENNSYLVANIAN EPOCH (8.2 M) (307.2-299 MA)

KASIMOVIAN307.2 STAGE (3.8 M) (307.2-303.4 MA)

303.4 MA GZHELIAN303.4 STAGE (4.4 M) (303.4-299 MA)

300 MA Equatorial Africa most likely covered by a continental ice sheet at this time

Conifers present in the fossil record