Primitive four-legged animals, the ancestors of Amphibians, Reptiles, Synapsids, birds, as part of Reptiles (Sauropsids), and mammals, synapsids.
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Subcategories
This category has the following 8 subcategories, out of 8 total.
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A
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R
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Pages in category "Tetrapods"
The following 3 pages are in this category, out of 3 total. This list may not reflect recent changes.