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Articles related to the Pygostylia, a group of avialans which includes the Confuciusornithidae and all of the more advanced species, the Ornithothoraces.
Subcategories
This category has the following 4 subcategories, out of 4 total.
Pages in category "Pygostylians"
The following 9 pages are in this category, out of 9 total. This list may not reflect recent changes.