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Here is a list of articles in the category Serravallian first appearances of the Biology portal. Biological taxa that first appeared during the Serravallian age of geologic time, between 13.82 and 11.62 million years ago in the Middle Miocene of the Neogene period. Also genera and species that evolved during this time and persisted across multiple geological ages.
The following 16 pages are in this category, out of 16 total.