Category:Ophiacodontidae fossil illustrations
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Subcategories
This category has the following 3 subcategories, out of 3 total.
Media in category "Ophiacodontidae fossil illustrations"
The following 2 files are in this category, out of 2 total.
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American Permian vertebrates (c1911) (17539664773).jpg 1,886 × 2,844; 1.34 MB
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American Permian vertebrates (c1911) (18160253235).jpg 1,958 × 2,954; 1.32 MB