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nounapproximately the last 63 million years
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Definition that contains cenozoic
- cenozoic of or relating to or denoting the Cenozoic era
- order isoetales aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales
- isoetales aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales