Shakh-Tau Shikhan: Asselian - Sakmarian, Russian Federation
collected by Mazaev, Boiko

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Goniatitida - Agathiceratidae
Agathiceras uralicum (Karpinsky 1874)
Cephalopoda - Goniatitida - Popanoceratidae
Propopanoceras sp. Toumansky 1938
Cephalopoda - Nautilida - Rhiphaeoceratidae
Sholakoceras formosum n. sp. Leonova and Shchedukhin 2020
Leonova and Shchedukhin 2020
(1 measurement)
Pararhiphaeoceras sp. Ruzhentsev and Shimanskiy 1954
Leonova and Shchedukhin 2020
Cephalopoda - Nautilida - Mosquoceratidae
Mosquoceras planum n. sp. Leonova and Shchedukhin 2020
Leonova and Shchedukhin 2020
(1 measurement)
Cephalopoda - Nautilida - Permoceratidae
Foveroceras magnum n. gen., n. sp. Leonova and Shchedukhin 2023
Leonova and Shchedukhin 2023
(3 measurements)
Cephalopoda - Nautilida - Grypoceratidae
Omorphoceras igori n. gen., n. sp. Leonova and Shchedukhin 2023
Leonova and Shchedukhin 2023
(2 measurements)
Domatoceras sterlitamakense n. sp. Leonova and Shchedukhin 2020
Leonova and Shchedukhin 2020
(1 measurement)
Domatoceras bashkiricum n. sp. Leonova and Shchedukhin 2020
Leonova and Shchedukhin 2020
(1 measurement)
Stenopoceras (Leptodomatoceras) bashkiricum n. sp. Leonova and Shchedukhin 2023
Leonova and Shchedukhin 2023
(2 measurements)
Shatoceras umbilicatum n. gen., n. sp. Leonova and Shchedukhin 2020
Leonova and Shchedukhin 2020
(1 measurement)
Cephalopoda - Nautilida - Temnocheilidae
Temnocheilus sp. M'Coy 1844
Leonova and Shchedukhin 2020
Cephalopoda - Nautilida - Liroceratidae
Leniceras ovale n. gen., n. sp. Leonova and Shchedukhin 2020
Leonova and Shchedukhin 2020
(1 measurement)
Shikhanonautilus n. gen. siphonoventralis Leonova and Shchedukhin 2020
Shchedukhin 2023
Shikhanonautilus compressus n. sp. Shchedukhin 2023
Shchedukhin 2023
(3 measurements)
Cephalopoda - Nautilida - Dentoceratidae
Dentoceras magnum Ruzhentsev and Shimanskiy 1954
Leonova and Shchedukhin 2020
Cephalopoda - Nautilida - Permonautilidae
Thyoceras involutum n. gen., n. sp. Leonova and Shchedukhin 2020
Leonova and Shchedukhin 2020
(2 measurements)
see common names

Geography
Country:Russian Federation State/province:Bashkortostan
Coordinates: 53.6° North, 56.1° East (view map)
Paleocoordinates:22.6° North, 42.9° East
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Permian Epoch:Cisuralian
Key time interval:Asselian - Sakmarian
Age range of interval:298.90000 - 290.10000 m.y. ago
Stratigraphy
Stratigraphic resolution:group of beds
Stratigraphy comments: The preliminary estimate of the geological age based on geological exploration profiles is Late Asselian (Mazaev, 2017, 2019). Late Asselian-early Sakmarian in Leonova (2019).
Lithology and environment
Primary lithology: lithified "reef rocks"
Environment:reef, buildup or bioherm
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:PIN
Collectors:Mazaev, Boiko
Metadata
Database number:217202
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2021-01-30 13:25:31 Last modified:2021-01-30 13:25:37
Access level:the public Released:2021-01-30 13:25:31
Creative Commons license:CC BY
Reference information

Primary reference:

75402. T. B. Leonova. 2020. Asselian-Sakmarian ammonoids of the Early Permian Shakh-Tau Reef (Bashkortostan). Paleontological Journal 54:1095-1112 [M. Clapham/M. Clapham/M. Clapham]

Secondary references:

75403 T. B. Leonova and A. Y. Shchedukhin. 2020. Asselian-Sakmarian nautiloids of the Shakh-Tau Reef (Bashkortostan). Paleontological Journal 54:1113-1134 [M. Clapham/M. Clapham]
85829 T. B. Leonova and A. Y. Shchedukhin. 2023. New Nautilida from the Shakhtau Asselian-Sakmarian reef complex (Bashkortostan). Paleontological Journal 57:380-391 [M. Clapham/M. Clapham/M. Clapham]
85985 A. Y. Shchedukhin. 2023. New data on the genus Shikhanonautilus (Liroceratidae, Nautilida) from the Early Permian Shakhtau Reef. Paleontological Journal 57:500-506 [M. Clapham/M. Clapham]