Lifeforms which originated in the Paleozoic Era of Earth's history; which took place between 540 and 250 million years ago. It was preceded by the Neoproterozoic and followed by the Mesozoic.
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Lifeforms which originated in the Paleozoic Era of Earth's history; which took place between 540 and 250 million years ago. It was preceded by the Neoproterozoic and followed by the Mesozoic.
All items (7)