Timeline of Environmental History - 300,000,000 Ya

300,000,000 Ya

300 Ma

• Evo : Reptiles
• Geo : Euramerica Supercontinent
• Geo : Pangaea Supercontinent (~300–~180 million years ago)
• Geo : Gondwana Supercontinent (~300–~30 million years ago)
• Geo : Laurasia Supercontinent (~ 300–~60 million years ago)

260 Ma

• Clima : Karoo Ice Age : Ends