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Jurassic first appearances.
Biological taxa that first appeared during the Jurassic Period, the geologic time period between 201.3 and 145 million years ago during the Mesozoic Era.
Subcategories
This category has the following 6 subcategories, out of 6 total.
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Pages in category "Jurassic first appearances"
The following 27 pages are in this category, out of 27 total. This list may not reflect recent changes.