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Paleozoic Era Carboniferous Period. 359-299mya “Coal Age,” very well known for plant fossils that make up the world’s major coal seams “Age of the Amphibians,” including ancestors of modern terrestrial vertebrates Diversification of terrestrial and aquatic arthropods
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Paleozoic Era Carboniferous Period • 359-299mya • “Coal Age,” very well known for plant fossils that make up the world’s major coal seams • “Age of the Amphibians,” including ancestors of modern terrestrial vertebrates • Diversification of terrestrial and aquatic arthropods • Evolution of amniotic egg in reptiles
Amphibian eggs Newly discovered “legless” amphibian- produces eggs that have yolk