Zheshart: Olenekian, Russian Federation

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia - Temnospondyli
Parotosuchus komiensis n. sp. Novikov 1986
Damiani 2001
PIN 3361/18, partial skull
Amphibia - Temnospondyli - Trematosauridae
Trematosaurus sp. Burmeister 1849
Novikov 2010
PIN 3361/149, right exoccipital, and 3361/41, right pterygoid
Amphibia - Temnospondyli - Tupilakosauridae
Batrachosuchoides sp. Shishkin 1967
Schoch and Milner 2014
Reptilia
Vytshegdosuchus zheshartensis n. gen., n. sp. Sennikov 1988
Gower and Sennikov 2000
PIN 3361/134 (holotype), right ilium; abundant postcranial fragments
Gamosaurus lozovskii n. gen., n. sp. Ochev 1979
Ochev 1979 6 specimens
synonym of Chasmatosuchus magnus
3361/13, cervical vertebra (holotype). Referred spcimens listed by Ezcurra (2016): 3361/14, 94, 183, 213, 214.
Reptilia - Procolophonidae
Macrophon komiensis n. gen., n. sp. Ivakhnenko 1975
Ivakhnenko 1975 1 specimen
recombined as Kapes komiensis
PIN 3361/1 (pars?) (type)
Kapes amaenus n. gen., n. sp. Ivakhnenko 1975
14 specimens
PIN 3361/1 (pars?), 3361/2 (type), 3361/4 to 3361/14; all are either maxillae or lower jaws/dentaries; PIN 3361/12 to 14 reported by Novikov (1991) but not listed in Ivakhnenko (2008).
see common names

Geography
Country:Russian Federation State/province:Komi County:Ust-Vymskii
Coordinates: 62.1° North, 49.6° East (view map)
Paleocoordinates:37.2° North, 32.9° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Triassic Epoch:Early/Lower Triassic
Stage:Olenekian 10 m.y. bin:Triassic 1
Key time interval:Olenekian
Age range of interval:251.20000 - 247.20000 m.y. ago
Stratigraphy
Geological group:Gamskaya Formation:Yarenskian
Stratigraphic resolution:group of beds
Stratigraphy comments: "Upper Yarenskian Gorizont" of late Olenekian age (Gower & Sennikov 2000)
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet. Tectonic setting:foreland basin
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:PIN
Metadata
Also known as:Vychegda River, Vichegda River, Zheshard
Database number:85454
Authorizer:J. Mueller, A. Dunhill, R. Butler Enterer:T. Liebrecht, R. Butler, B. Allen
Modifier:R. Butler Research group:vertebrate
Created:2008-12-21 21:31:28 Last modified:2017-10-30 11:04:20
Access level:authorizer only Released:2011-12-21 21:31:28
Creative Commons license:CC BY
Reference information

Primary reference:

28843. P. S. Spencer and G. W. Storrs. 2002. A re-evaluation of small tetrapods from the Middle Triassic Otter Sandstone Formation of Devon, England. Palaeontology 45(3):447-467 [J. Mueller/T. Liebrecht/R. Butler]

Secondary references:

30410 R. J. Damiani. 2001. A systematic revision and phylogenetic analysis of Triassic mastodonsauroids (Temnospondyli: Stereospondyli). Zoological Journal of the Linnean Society 133(4):379-482 [J. Mueller/T. Liebrecht]
29101 D. J. Gower and A. G. Sennikov. 2000. Early Archosaurs from Russia. In M. J. Benton, M. A. Shishkin, D. M. Unwin & E. N. Kurochkin (eds.), The Age of Dinosaurs in Russia and Mongolia. Cambridge University Press, Cambridge 140-159 [J. Mueller/T. Liebrecht]
31492 M. F. Ivakhnenko. 1975. O Rodovom Sostave Rannetriasovykh Prokolofonid Priuralya [On the Genus Composition of Lower Triassic Procolophnids of the Pre-Urals]. Paleontologicheskii Zhurnal 1975(1):88-93 [J. Mueller/T. Liebrecht/T. Liebrecht]
28657 M. F. Ivakhnenko. 2008. Podklass Parareptilia. In M. F. Ivakhnenko and E. N. Kurotchkin (eds.), Iskopaemye pozvonotchnye Rossii i sopredel'nykh stran: Iskopaemye reptilii i ptitsy, Tchast' 1 [Fossil vertebrates of Russia and adjacent countries: Fossil reptiles and birds, Part 1], GEOS, Moscow 49-85 [J. Mueller/T. Liebrecht/T. Liebrecht]
31491 I. V. Novikov. 1991. Novye Dannye po Prokolofoninam SSSR [New data on Procolophonines of the USSR]. Paleontologicheskii Zhurnal 1991(2):73-85 [J. Mueller/T. Liebrecht]
45793 I. V. Novikov. 2010. New data on trematosauroid labyrinthodonts of Eastern Europe: 2. Trematosaurus galae sp. nov.: cranial morphology. Paleontological Journal 44(4):94-104 [P. Mannion/J. Tennant]
60765 V. G. Ochev. 1979. New Early Triassic archosaurs from eastern European Russia. Paleontological Journal 1979:104-109 [R. Butler/R. Butler]
57795 R. R. Schoch and A. R. Milner. 2014. Handbook of Paleoherpetology Part 3A2 Temnospondyli I. [R. Butler/E. Dunne/E. Dunne]