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Tribilites were dominant. Earliest record of marine life. Produced an intense burst of evolution.
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Invertebrates are dominant. Mollusks become abundant. Earliest fish that are jawless appeared.
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Earliest terrestrial plants and animals. Melting of large glacier formations.
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Armored fish went extinct. Earliest amphibians and ammonites.
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Amphibians dominated land. Cone-bearing plants like pine trees appeared. Period ended with largest mass extinction of 95% of marine life and 50% of animal life wiped out.
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Sharks and amphibians became abundant. Large swamps and coal forming forests covered the Earth. Earliest reptiles, scale trees, and sea ferns.
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Beginning of the Mesozoic era. The few survivors of the Permian extinction began to populate the land and ocean. New species like mammals, dinosaurs and crocodiles appeared.
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Dinosaurs dominated land. Mammals are common but small. Feathered dinosaurs and birds appeared. The most common plants are ferns.
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Dinosaurs continue to dominate the land. Sharks, bees and butterflies appear. Flowering plants appear. Period end with mass extinction of dinosaurs and many plants.
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The beginning of the Neogene is when the very first humans appeared. Humans developed civilization by the end of this period. Mammoths, sabre-toothed cats, and giant camels dominated until 10,000 years ago when many large mammals went extinct.
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Beginning of cenozoic era. Rise of mammals, birds rodents, pigs, cats, dogs, bears and whales. Flowering plants spread across the globe.
