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The Mysticeti and Odontoceti dolphins have been in existence for around twenty million years. The way this family is commonly known is as the Miocene family.
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∙ 9y ago
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∙ 11y agothat guy is dead f*cking wrong. its 11 million years
Wiki User
∙ 16y agoImbossible to find out.
Wiki User
∙ 14y ago5.000.000 years
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∙ 13y agodolphins lived 30 years ago.
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∙ 12y agoFor year and years before you were born.
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∙ 12y ago19 thousand years
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∙ 13y agono one knows...
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