Category:Therapsids
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Therapsids were synapsids that began to apppear in the Early Permian. They had larger temporal fenstrae (openings of the sides of the skull) than the ancestral pelycosaurs. Early therapsids were scaly, and cold-blooded. The most advanced therapsids are the cynodonts, which were ancestral to mammals. This category is for non-mammalian therapsids.
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For more information, see Therapsids.
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Subcategories
This category has the following 5 subcategories, out of 5 total.