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Chthonosaurus Temporal range: Late Permian |
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|---|---|
| Life restoration of Chthonosaurus velocidens | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Order: | Therapsida |
| Suborder: | †Therocephalia |
| Family: | †Akidnognathidae |
| Genus: |
†Chthonosaurus Vjuschkov, 1955 |
| Type species | |
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†Chthonosaurus velocidens Vjuschkov, 1955 |
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Chthonosaurus is an extinct genus of therocephalian therapsid from the Late Permian of Russia. It belongs to the family Akidnognathidae. The type species Chthonosaurus velocidens was named in 1955.