Section 1 (locality M410), Purella cristata zone, left bank of Kotuj River: Tommotian, Russian Federation
collected by Artem Kouchinsky, Vladimir Pavlov 1992, 2007, 2008

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bathysiphonidae
Platysolenites antiquissimus Eichwald 1860
Helcionelloida - Helcionellida - Helcionellidae
Securiconus cf. simus Luo et al. 1982
Bemella ? jacutica (Rozanov and Missarzhevsky 1966)
Oelandiella korobkovi Vostokova 1962
Anabarella plana Vostokova 1962
Helcionelloida - Helcionellida - Carinopeltidae
Protoconus cf. crestatus Yü 1979
Helcionelloida - Ceratoconidae
Ceratoconus striatus Chen and Zhang 1980
Helcionelloida - Pelagiellida - Aldanellidae
Aldanella attleborensis (Shaler and Foerste 1888)
Aldanella crassa Rozanov et al. 1969
Maikhanellidae
Purella cristata Missarzhevsky 1974
Yunnanopleura sp. Yü 1987
Siphogonuchitidae
Lopochites sp. Qian 1977
Siphogonuchites triangularis Qian 1977
Orthothecida
Khetatheca cotuiensis (Syssoiev 1959)
unclassified
Fomitchella infundibuliformis (Rozanov et al. 1969)
misspelling Fomitchella infundabiliformis
Archaeooides granulatus Qian 1977
Scyphozoa - Anabaritida - Anabaritidae
Anabarites biplicatus (Missarzhevsky 1989)
Anabarites kelleri Missarzhevsky 1989
Anabarites trisulcatus Voronova and Missarzhevsky 1969
Cambrotubulus decurvatus n. sp. Rozanov et al. 1969
see common names

Geography
Country:Russian Federation State/province:Krasnoyarsk Krai
Coordinates: 70.1° North, 114.0° East (view map)
Paleocoordinates:22.9° South, 10.4° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Cambrian Epoch:Terreneuvian
Stage:Stage 2 10 m.y. bin:Cambrian 2
Key time interval:Tommotian Small shelly zone: Purella cristata
Age range of interval:525.50000 - 521.00000 m.y. ago
Stratigraphy
Formation:Medvezhya
Stratigraphy comments: Fortunian Stage of Terreneuvian. "lowermost sampled part of section 1 belongs to the uppermost Nemakit-Daldyn Formation (thrombolitic boundstone of the Koril Member; Kaufman et al. 1996), which is overlain above the sequence boundary by limestone beds of the Medvezhya Formation grading upwards into grey limestone with oolites attributable to the Kugda-Yuryakh Formation (e.g., Dyatlova et al. 1990; Fig. 4)."
Lithology and environment
Primary lithology: lithified "limestone"
Lithology description: "limestone beds"
Environment:shallow subtidal indet.
Geology comments: Not stated but presumably shallow subtidal given adjacent lithologies
Taphonomy
Modes of preservation:mold/impression,replaced with phosphate
Size of fossils:mesofossils,microfossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collectors:Artem Kouchinsky, Vladimir Pavlov Collection dates:1992, 2007, 2008
Collection method comments: Reposited at Swedish Museum of Natural History; Acid residue from carbonates
Metadata
Also known as:samples 1/C through 1/39.3 and M410/73
Database number:233166
Authorizer:P. Novack-Gottshall Enterer:P. Novack-Gottshall
Modifier:P. Novack-Gottshall
Created:2024-01-17 09:41:18 Last modified:2024-01-19 15:59:26
Access level:the public Released:2024-01-17 09:41:18
Creative Commons license:CC BY
Reference information

Primary reference:
87033. A. Kouchinsky, S. Bengtson, E. Landing, M. Steiner, M. Vendrasco and K. Ziegler. 2017. Terreneuvian stratigraphy and faunas from the Anabar Uplift, Siberia. Acta Palaeontologica Polonica 62(2):311-440 [P. Wagner/P. Wagner]