Carboniferous
geo:time:period:carboniferousCarboniferous Period (358.9–298.9 Ma): vast coal swamp forests (source of most coal deposits); first reptiles; first winged insects; Pangaea begins to assemble.
Carboniferous Period (358.9–298.9 Ma): vast coal swamp forests (source of most coal deposits); first reptiles; first winged insects; Pangaea begins to assemble.