The Salarevo Formation is a geological formation located in Arkhangelsk Oblast and Vologda Oblast of Western Russia.Yakimenko, E. & Targul’yan, V. & Chumakov, Nikolay & Arefev, M. & Inozemtsev, Svyatoslav. (2000). Paleosols in Upper Permian sedimentary rocks, Sukhona River (Severnaya Dvina basin). Lithology and Mineral Resources - LITHOL MINER RESOUR. 35. 331-344. 10.1007/BF02782689. Fossils of the Sokolki Assemblage Zone have been found recovered from this formation, including those of pareiasaurs, dicynodonts, gorgonopsians, and therocephalians.
Paleofauna Amphibians
Amphibians of the Salarevo Formation Taxon Species Location Stratigraphic position Material Notes Images DvinosaurusSushkin, P.P. (1936). "Notes on the pre-Jurassic tetrapods from USSR. III. Dvinosaurus amalitzki, a perennibranchiate stegocephalian from the Upper Permian of North Dvina". Akademiya Nauk SSSR, Trudy Paleozoologicheskogo Instituta.D. primus Zavrazhye and Sokolki Upper A partial skeleton A temnospondyl Synapsids Synapsids of the Salarevo Formation Taxon Species Location Stratigraphic position Material Notes ImagesAnnatherapsidusA. petri Sokolki Upper A skull A therocephalian Dvinia D. prima Sokolki Upper A partial skull (an anterior half of the skull without the lower jaw) A cynodontElph E. borealisSokolki and ZavrazhyUpper A partial skull missing part of the premaxilla, zygomatic arches, right quadrate, and postdentary part of mandible A dicynodontInostrancevia I. alexandri Sokolki Upper A skeleton A gorgonopsid I. latifrons Sokolki and ZavrazhyeUpper A skullPeramodonP. amalitzkii Sokolki Upper A partial skeleton A dicynodontPravoslavleviaP. parva Sokolki Upper A skull A gorgonopsid VivaxosaurusV. trautscholdi Sokolki and Zavrazhye Upper A skull A dicynodont
Sauropsids Sauropsids of the Salarevo Formation Taxon Species Location Stratigraphic position Material Notes ImagesObirkoviaO. gladiatorObirkovoUpper A partial skull A pareiasaur Scutosaurus S. karpinskii Sokolki Upper A fully preserved skeleton A large pareiasaur
Other reptiliomorphs Non-amniote reptiliomorphs of the Salarevo Formation Taxon Species Location Stratigraphic position Material Notes ImagesChroniosuchus C. vjuschkoviZavrazhyeUpper Specimen A reptiliomorph of uncertain affinities Karpinskiosaurus K. secundus Sokolki Upper A skeleton A seymouriamorphKotlassiaAmalitsky, Vladimir (1921). "Seymouridae". Dvinskie Raskopki Prof. V.P. Amalitskogo (Northern Dvina Excavations of Prof. V.P. Amalitzky) (2): 1–14.K. prima Sokolki Upper A complete skeleton with one additional skull A kotlassiid seymouriamorph
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