| Chabakov A. W. (1928) Anodontacanthus ruthenorum sp. n., a new ichthyodorulite from the Permian of European part of USSR, Annuaire de la Société Paléontologique de Russia 7, 127-132 |
| Zalessky M. D. (1928) Sur un nouvel insecte Névroptéroïde du Permien du bassin de Kama, Bulletin de la Société Géologique de France, Quatrième Série 28, 381-385 |
| Zalessky M. D. (1928) Sur un nouvel insecte Blattoïde du Permien de Sardyk dans le bassin de Viatka, Bulletin de la Société Géologique de France, Quatrième Série 28, 387-390 |
| Morozova I. P. (1963) Fenestraliidae, novoe semeystvo Fenestelloidey, Paleontologicheskii Zhurnal 1963 3, 78-83 |
| Shishova N. A. (1964) Novyye Pozdnepermskiye Rabdomezonidy Sovetskogo Soyuza, Paleontologicheskii Zhurnal 1964 3, 52-57 |
| Shishova N. A. (1965) O sistematischeskom polozhenii i obeme semeystva Hyphasmoporidae, Paleontologicheskii Zhurnal 1965 2, 55-62 |
| Morozova I. P. (1966) Novyye Permskiye mshanki Kabarovskogo kraya [New Permian bryozoans of the Khabarovsk Range], Paleontological Journal 1966 2, 33-41 |
| Grigor'yeva A. D. (1967) Certain brachiopods of Kazanian Stage, Paleontological Journal 1, 58-71 |
| Dunayeva N. N., Morozova I. P. (1967) Evolution and systematic position of certain late Paleozoic Trepostomata, Paleontological Journal 1 4, 64-72 |
| Morozova I. P. (1970) Mshanki Pozdnei Permi, Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 122, 1-346 |
| Sarycheva T. G. (1977) Brakhiopody verkhnego paleozoya Sibiri i Arktiki, Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 162, 1-119 |
| Sarycheva T. G. (1977) Pozdnepaleozoyskie produktidy Sibiri i Arktiki [Upper Paleozoic productids of Siberia and the Arctic], Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 161, 1-220 |
| Vanin V. C. (1980) Novye vidy permskikh morskikh liliy Srednego Urala i Vostochno-Evropeyskoy platformy [New species of Permian crinoids from the Middle Urals and eastern European platform], Novie Vidy Drevnikh Rasteniy i Bespozvonochnykh SSSR [New Species of Ancient Plants and Invertebrates of the USSR] 5, 119-122 |
| Grunt T. A. (1980) Athrididi Russkoi Platformi, Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 182, 1-164 |
| Erlanger O. A. (1981) A contribution to revision of the genus Rhynchopora, Paleontological Journal 15, 63-70 |
| Muromtseva V. A., Guskov V. A. (1984) , Permskie Morskie Otlozheniya I Dvustvorchatie Mollyuski Sovetskoi Arktiki, 1-154 |
| Ivanovskiy A. B. (1989) Odinochnie rugozi iz verkhney permi vostoka russkoy platformi [Solitary rugosans from the Upper Permian of the eastern Russian platform], Verkhniy Paleozoy i Trias Sibiri. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 732, 31-39 |
| Kalashnikov N.V. (1993) , Brakhiopody Permi Evropeiskogo Severa Rossyy, 1-114 |
| Gubareva V. S., Boltaeva V. P. (1998) The species Blasispirifer multiplicicostatus (Netschajew) from the stratotype of the Kazanian Stage, Tatarstan, Paleontological Journal 32, 586-588 |
| Kalashnikov N. V. (1998) , Permian Spiriferids from the North of European Russia, 1-139 |
| Afanasjeva G. A. (2000) A new genus Pinegochonetes (Brachiopoda, Chonetida) from the Kazanian of the Russian platform, Paleontological Journal 34 3, 287-289 |
| Leonova T. B., Kutygin R. V., et al (2005) New data on the composition and evolution of the Permian superfamily Popanocerataceae (Ammonoidea), Paleontological Journal 39 5, 476-486 |
| Smirnova T. N. (2007) Permian terebratulids of Eurasia: morphology, systematics, and phylogeny, Paleontological Journal 41 7, 707-813 |
| Leonova T. B., Shilovsky O. P. (2007) Evolution of the Permian family Spirolegoceratidae (Goniatitida, Ammonoidea), Paleontological Journal 41 1, 28-38 |
| Leonova T. B. (2007) Correlation of the Kazanian of the Volga-Urals with the Roadian of the global Permian scale, Palaeoworld 16, 246-253 |
| Smirnova T. N. (2009) The ontogeny of the late Permian terebratulids of the Family Beecheriidae Smirnova (Brachiopoda), Paleontological Journal 43 2, 142-152 |
| Barskov I. S., Leonova T. B., et al (2014) Middle Permian cephalopods of the Volga-Ural region, Paleontological Journal 48, 1331-1414 |
| Nurgaliev D. K., Silantiev V. V., et al (2015) Type and reference sections of the Middle and Upper Permian of the Volga and Kama River Regions: A Field Guidebook of XVIII International Congress on Carboniferous and Permian, 1-208 |
