Salarevo Formation
| Salarevo Formation | |
|---|---|
| Stratigraphic range: Permian ~ | |
 The geological outcrop of Sukhona River where fossils are discovered | |
| Type | Geological formation |
| Lithology | |
| Primary | Conglomerate |
| Location | |
| Coordinates | 61°12′N 46°36′E / 61.2°N 46.6°E |
| Approximate paleocoordinates | 39°42′N 46°54′E / 39.7°N 46.9°E |
| Region | Arkhangelsk Oblast Vologda Oblast |
| Country | Russia |
| Extent | Severnaya Dvina basin |
  Salarevo Formation (Russia)  Salarevo Formation (Arkhangelsk Oblast) | |
The Salvero Formation is a geological formation located in Arkhangelsk Oblast and Vologda Oblast of Western Russia.[1] Fossils of the Sokolki Assemblage Zone have been found recovered from this formation, including those of pareiasaurs, dicynodonts, gorgonopsians, and therocephalians.[2]
Paleofauna
Amphibians
Color key
|
Notes Uncertain or tentative taxa are in small text; |
| Amphibians of the Salarevo Formation | ||||||
|---|---|---|---|---|---|---|
| Taxon | Species | Location | Stratigraphic position | Material | Notes | Images |
| Dvinosaurus[3] | D. primus | Zavrazhye and Sokolki | Upper | A partial skeleton | A temnospondyl |  |
Synapsids
| Synapsids of the Salarevo Formation | ||||||
|---|---|---|---|---|---|---|
| Taxon | Species | Location | Stratigraphic position | Material | Notes | Images |
| Annatherapsidus[4] | A. 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 cynodont |  |
| Elph[5] | E. borealis | Sokolki and Zavrazhy | Upper | A partial skull missing part of the premaxilla, zygomatic arches, right quadrate, and postdentary part of mandible | A dicynodont | |
| Inostrancevia[6] | I. alexandri | Sokolki | Upper | A skeleton | A gorgonopsid |  |
| I. latifrons | Sokolki and Zavrazhye | Upper | A skull |
 | ||
| Peramodon[7] | P. amalitzkii | Sokolki | Upper | A partial skeleton | A dicynodont |  |
| Pravoslavlevia[8] | P. parva | Sokolki | Upper | A skull | A gorgonopsid |  |
| Vivaxosaurus[9] | V. trautscholdi | Sokolki and Zavrazhye | Upper | A skull | A dicynodont |  |
Sauropsids
| Sauropsids of the Salarevo Formation | ||||||
|---|---|---|---|---|---|---|
| Taxon | Species | Location | Stratigraphic position | Material | Notes | Images |
| Obirkovia[10] | O. gladiator | Obirkovo | Upper | A partial skull | A pareiasaur | |
| Scutosaurus[11] | 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 | Images |
| Chroniosuchus | C. vjuschkovi | Zavrazhye | Upper | Specimen | A reptiliomorph of uncertain affinities |  |
| Karpinskiosaurus | K. secundus | Sokolki | Upper | A skeleton | A seymouriamorph |  |
| Kotlassia[12] | K. prima | Sokolki | Upper | A complete skeleton with one additional skull | A kotlassiid seymouriamorph |  |
References
- ↑ 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.
- ↑ Golubev, Valeriy K. (2000). "The Faunal Assemblages of Permian Terrestrial Vertebrates of Eastern Europe". Paleontological Journal. 34 (S2): S211–S224.
- ↑ Sushkin, 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.
- ↑ Amalitzky, V.P. (1927). "The Northern Dvina therocephal Anna petro gen. et. sp. nov". Dvinskie raskopki prof. V.P. Amalitskogo (Northern Dvina Excavations of Prof. V.P. Amalitzky). 5.
- ↑ Angielczyk, K.D.; Kurkin, A.A. (2003). "Phylogenetic analysis of Russian Permian dicynodonts (Therapsida: Anomodontia): implications for Permian biostratigraphy and Pangaean biogeography". Zoological Journal of the Linnean Society. 139 (2): 157–212. doi:10.1046/j.1096-3642.2003.00081.x.
- ↑ Amalitzky, Vladimir (1922). "Diagnoses of the new forms of vertebrates and plants from the Upper Permian on North Dvina". Bulletin de l'Académie des Sciences de Russie. 16 (6): 329–340.
- ↑ Kammerer, C.F.; Angielczyk, K.D.; Fröbisch, J. (2011). "A comprehensive taxonomic revision of Dicynodon (Therapsida, Anomodontia) and its implications for dicynodont phylogeny, biogeography, and biostratigraphy". Journal of Vertebrate Paleontology. 31 (Suppl. 1): 1–158. Bibcode:2011JVPal..31S...1K. doi:10.1080/02724634.2011.627074. S2CID 84987497.
- ↑ Kammerer, Christian F. & Masyutin, Vladimir (2018). "Gorgonopsian therapsids (Nochnitsa gen. nov. and Viatkogorgon) from the Permian Kotelnich locality of Russia". PeerJ. 6 e4954. doi:10.7717/peerj.4954. PMC 5995105.
- ↑ Kurkin, A.A. (2012). "Dicynodontids of Eastern Europe". Paleontological Journal. 46 (2): 187–198. doi:10.1134/S003103011201008X. S2CID 84619486.
- ↑ Bulanov, V. V.; Yashina, O. V. (2005). "Elginiid Pareiasaurs of Eastern Europe". Paleontological Journal. 39 (4): 428–432.
- ↑ Amalitskii, V. P. (1922). "Diagnoses of the new forms of vertebrates and plants from the Upper Permian on North Dvina" (PDF). Izvestiya Rossiiskoi Akademii Nauk. 6 (16): 329–335.
- ↑ Amalitsky, Vladimir (1921). "Seymouridae". Dvinskie Raskopki Prof. V.P. Amalitskogo (Northern Dvina Excavations of Prof. V.P. Amalitzky) (2): 1–14.
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