Category:Middle Jurassic first appearances
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Here is a list of articles in the category Middle Jurassic first appearances of the Biology portal. Middle Jurassic first appearances. Biological taxa that first appeared during the Middle Jurassic epoch between 174.1 and 163.5 million years ago.
Pages in category "Middle Jurassic first appearances"
The following 32 pages are in this category, out of 32 total.
