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Colophon
Fossils
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Animals, Fossil
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Bilateria, Fossil
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Chordata, Fossil
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Vertebrates, Fossil
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Reptiles, Fossil
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Pelycosauria
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Sphenacodontidae
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Sphenacodon
Sphenacodon
Topic
sh85126577
·
id.loc.gov
Broader Terms (1)
Sphenacodontidae
Hierarchy
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Narrower Terms (1)
Sphenacodon ferocior
