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StubMicroraptor
Smaller than a Microraptor!

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Chthonosaurus
Temporal range: Late Permian
250px-Chthonosaurus velocidens
A restoration of Chthonosaurus velocidens
Scientific classification
Kingdom: Animalia
Phylum: Chordata
clade: Synapsida
Order: Therapsida
Suborder: Therocephalia
Family: Akidnognathidae
Genus: Chthonosaurus
Vjuschkov, 1955
Type species
Chthonosaurus velocidens
Vjuschkov, 1955

Chthonosaurus is a Therocephalian Therapsid from late Permian Russia.

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