Chthonosaurus

Chthonosaurus is an extinct genus of eutherocephalian^[1] therapsids from the Late Permian Kutulukskaya Formation of Russia. The type species Chthonosaurus velocidens was named in 1955.^[2]

Chthonosaurus Temporal range: Late Permian ~260–253 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Life restoration of Chthonosaurus velocidens
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Synapsida
Clade:	Therapsida
Clade:	†Therocephalia
Clade:	†Eutherocephalia
Genus:	†Chthonosaurus Vjuschkov 1955
Type species
†Chthonosaurus velocidens Vjuschkov 1955

References

• Paleontology portal

1. Huttenlocker, Adam K.; Sidor, Christian A.; Angielczyk, Kenneth D. (20 Jul 2015). "A new eutherocephalian (Therapsida, Therocephalia) from the upper Permian Madumabisa Mudstone Formation (Luangwa Basin) of Zambia". Journal of Vertebrate Paleontology. 35 (5): e969400. Bibcode:2015JVPal..35E9400H. doi:10.1080/02724634.2015.969400. S2CID 83554630.
2. Ivakhnenko, M.F. (2011). "Permian and Triassic therocephals (Eutherapsida) of Eastern Europe". Paleontological Journal. 45 (9): 981–1144. doi:10.1134/S0031030111090012. S2CID 128958135.