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A period of the Paleozoic era, spanning the time between 410 and 360 million years ago. It is named after Devonshire, England, where rocks of this age were first studied.
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All chemical, physical, and biological modifications undergone by a sediment after its initial deposition.
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A resting stage or reproductive stage in the life cycle of a dinoflagellate.
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Small organisms with both plant-like and animal-like characteristics, usually classified as algae (plants). They take their name from their twirling motion and their whip-like flagella.
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