Lake Michigan at 20-Year High

The Devonian Period (419.2–358.9 million years ago) jawless fish Cardipeltis has been found in Utah and Wyoming. This fossil is from Lake Michigan's Left Coast in the Great Lakes region. Is it the jawless fish? A hunk of fossilized mud? Along this beach in southeastern Wisconsin, Lake Michigan has been eating away at beaches at... Continue Reading →

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Textures and Teeth: Permian Amphibians, Fish, Reptiles

Paleozoic Era (541.0–252.17 million years ago) amphibian, fish, and reptile fossils showing detail of teeth and skin textures. Probably from Devonian (419.2–358.9) through Permian Period (298.9–252.17 million years ago). Copyright, Disclaimer, Bibliography

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