Prehistoric biological taxa that became extinct during the Valanginian age, the geologic time age between 139.8 and 132.6 million years ago, during the Cretaceous Period of the Mesozoic Era.
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This category has only the following subcategory.
G
Prehistoric biological taxa that became extinct during the Valanginian age, the geologic time age between 139.8 and 132.6 million years ago, during the Cretaceous Period of the Mesozoic Era.
Subcategories
This category has only the following subcategory.