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No, they came later. During the last two periods of the Mesozoic (Jurassic and Cretaceous) all the mammals were small and primitive, as the dinosaurs held all the important positions (called "niches"). When the dinos shuffled off, the mammals began to expand in size and complexity to fill the vacancies.

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11y ago
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11y ago

No, they are mammals, that are known to be very slow.

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12y ago

no but there is such thing called a sloth dinosaur they were herbivours.

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14y ago

They were herbivorous.

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Q: Is a sloth a dinosaur
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