Section 96-5a, left bank of Bol'shaya Kuonamka river, Emyaksin formation: Tommotian, Russian Federation
collected by Artem Kouchinsky, Stefan Bengston 1996
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Mollusca informal problematic shell
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| Some similarity to "chitin-like scleritome of Ocruranus finial" | ||||||||||
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Aculifera
- Halkieriidae
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Halkieria sp.
Poulsen 1967
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Siphogonuchitidae
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Lopochites sp.
Qian 1977
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Helcionelloida
- Helcionellida
- Helcionellidae
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Tuoraconus sp.
Missarzhevsky 1989
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Obtusoconus cf. mirabilis
Vasil'eva 1990
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Obtusoconus vostokovae
(Vassiljeva 1990)
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Securiconus cf. simus
Luo et al. 1982
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Anabarella plana
Vostokova 1962
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Oelandiella korobkovi
Vostokova 1962
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Helcionelloida
- Pelagiellida
- Aldanellidae
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Aldanella cf. sibirica
Parkhaev and Karlova 2011
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Aldanella attleborensis
(Shaler and Foerste 1888)
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Orthothecida
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Orthothecida informal operculum type C
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Turcutheca sp.
Rozanov et al. 1969
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Khetatheca cotuiensis
(Syssoiev 1959)
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Orthothecida
- Circothecidae
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Conotheca cf. mammilata
Rozanov et al. 1969
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Orthothecida
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Cupitheca sp.
(Duan 1984)
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Scyphozoa
- Anabaritida
- Anabaritidae
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Selindeochrea tripartita
(Rozanov et al. 1969)
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Selindeochrea cf. tecta
Val'kov 1982
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Selindeochrea missarzhevskyi
(Vasil’eva 1986)
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Selindeochrea ternaria
(Rozanov et al. 1969)
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Anabarites hariolus
(Val'kov 1987)
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Anabarites tristichus
Rozanov et al. 1969
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Anabarites hexasulcatus
(Missarzhevsky 1974)
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Anabarites kelleri
Missarzhevsky 1989
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Anabarites biplicatus
(Missarzhevsky 1989)
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Anabarites compositus
Rozanov et al. 1969
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Coeloscleritophora
- Chancelloriida
- Chancelloriidae
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Chancelloria symmetrica
Vassiljeva 1985
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unclassified
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Fomitchella infundibuliformis
(Rozanov et al. 1969)
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| misspelling Fomitchella infundabiliformis | ||||||||||
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Fomitchella aff. infundibuliformis
(Rozanov et al. 1969)
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| misspelling Fomitchella infundabiliformis | ||||||||||
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Fomitchella acinaciformis
Missarzhevsky 1977
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Fomitchella aff. acinaciformis
Missarzhevsky 1977
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Hyolithelminthida
- Hyolithellidae
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Hyolithellus sp.
Billings 1872
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Hyolithellus vladimirovae
Rozanov and Missarzhevsky 1966
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Bathysiphonidae
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Platysolenites antiquissimus
Eichwald 1860
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| see common names | ||||||||||
Geography
| Country: | Russian Federation | State/province: | Krasnoyarsk Krai |
| Coordinates: | 70.7° North, 112.8° East (view map) | ||
| Paleocoordinates: | 23.5° South, 10.1° West | ||
| Basis of coordinate: | stated in text |
Time
| Period: | Cambrian | Epoch: | Terreneuvian |
| Stage: | Stage 2 | 10 m.y. bin: | Cambrian 2 |
| Key time interval: | Tommotian | ||
| Age range of interval: | 525.50000 - 521.00000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | gray,green,red lime mudstone |
| Secondary lithology: | glauconitic,pebbly wackestone |
| Lithology description: "The lower Emyaksin Formation is represented by greenish-grey and reddish-maroon lime mud- and wackestone with glauconite and polymict gravel lenses up to a few decimeters-thick at the base of formation" | |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | mold/impression,replaced with phosphate |
| Size of fossils: | mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | Artem Kouchinsky, Stefan Bengston | Collection dates: | 1996 |
| Collection method comments: Reposited in Swedish Museum of Natural History (SMNH) | |||
Metadata
| Also known as: | A-50 of Val'kov (1975), samples 5a/1, 5a/1.2, 5a/5, 5a/6, 5a/9, 5a/10.5, 5a/15, 5a/15.5, 5a/17.5, 5a/18.5, 5a/34.5, 5a/34.75 | ||
| Database number: | 233198 | ||
| Authorizer: | P. Novack-Gottshall | Enterer: | P. Novack-Gottshall |
| Modifier: | P. Novack-Gottshall | ||
| Created: | 2024-01-20 08:25:53 | Last modified: | 2024-01-20 08:43:34 |
| Access level: | the public | Released: | 2024-01-20 08:25:53 |
| 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] |