Boyarka River, Polyptychites michalskii zone, Taymyr, Siberia: Valanginian, Russian Federation
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Gochteodinia villosa
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Gongylodinium acineum
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Marginulina striatocostata
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| spelled with current rank as Cristellaria (Marginulina) | ||||||||||
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Marginulina corneola
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| spelled with current rank as Cristellaria (Marginulina) | ||||||||||
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Marginulina gracilissima
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| spelled with current rank as Cristellaria (Marginulina) | ||||||||||
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Marginulina robusta
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| spelled with current rank as Cristellaria (Marginulina) | ||||||||||
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Ichthyolariidae
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Geinitzinita arctocretacea
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Ammodiscidae
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Glomospirella gaultina
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Nodosariata
- Robertinida
- Ceratobuliminidae
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Reinholdella tatarica
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Nodosariata
- Polymorphinida
- Polymorphinidae
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Globulina praelacrima
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Nodosariata
- Nodosariida
- Nodosariidae
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Nodosaria incomes
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Astacolus suspectus
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Astacolus bronni
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Astacolus aff. decalvatus
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Nodosariata
- Vaginulinida
- Vaginulinidae
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Lenticulina nivalis
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Lenticulina muensteri
Bartenstein and Brand 1937
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| synonym of Lenticulina munsteri | ||||||||||
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Cephalopoda
- Ammonitida
- Polyptychitidae
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Temnoptychites (Costamenjaites) mediatus
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| synonym of Nikitinoceras | ||||||||||
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Polyptychites michalskii
Bogoslowsky 1902
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| recombined as Polyptychites (Polyptychites) michalskii | ||||||||||
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Polyptychites plenus
Burdykina 1983
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| recombined as Polyptychites (Polyptychites) plenus | ||||||||||
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Astieriptychites tenuiptychus
Bodylevsky 1960
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| synonym of Polyptychites (Astieriptychites) astieriptychus | ||||||||||
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Euryptychites sp.
Pavlow 1914
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| spelled with current rank as Polyptychites (Euryptychites) | ||||||||||
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Polyptychites rectangulatus
(Bogoslowsky 1902)
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Dichotomites aff. tardescissus
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Dinophyceae
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Apteodinium spongiosum
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Lithodinia sp.
Eisenack 1935
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Dinophyceae
- Pareodiniaceae
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Batioladinium cf. longicornutum
Brideaux 1975
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Pareodinia sp.
Deflandre 1947
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Dinophyceae
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Wallodinium krutzschii
Habib 1972
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Trichodinium speetonense
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Dinophyceae
- Gonyaulacales
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Heslertonia heslertonensis
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Chlamydophorella sp.
Cookson and Eisenack 1958
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Dinophyceae
- Gonyaulacales
- Areoligeraceae
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Circulodinium compta
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Cyclonephelium ex gr. cuculliforme
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Dinophyceae
- Gonyaulacales
- Ceratiaceae
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Muderongia simplex
Alberti 1961
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Phoberocysta tabulata
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Dinophyceae
- Gonyaulacales
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Valensiella ovula
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Dinophyceae
- Gonyaulacales
- Gonyaulacaceae
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aff. Kleithriasphaeridium sp.
Davey 1974
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Cassiculosphaeridia magna
Davey 1974
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Rhynchodiniopsis sp.
Deflandre 1935
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Cribroperidinium spinoreticulatum
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Gonyaulacysta sp.
Deflandre 1964
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| ex gr. cretacea/helicoidea | ||||||||||
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Sirmiodinium grossii
Alberti 1961
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Oligosphaeridium sp.
Davey and Williams 1966
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Oligosphaeridium complex
Davey and Williams 1966
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Hystrichodinium pulchrum
Deflandre 1935
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Dinophyceae
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Spiniferites sp.
Mantell 1850
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unclassified
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Cerbia sp.
Below 1981
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| see common names | ||||||||||
Geography
| Country: | Russian Federation |
| Coordinates: | 70.5° North, 97.3° East (view map) |
| Paleocoordinates: | 70.5° North, 81.4° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Valanginian | 10 m.y. bin: | Cretaceous 1 |
| Key time interval: | Valanginian | ||
| Age range of interval: | 139.80000 - 132.60000 m.y. ago |
Stratigraphy
| Local section: | Boyarka River | Local bed: | 160-185 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Polyptychites michalskii zone | |||||
Lithology and environment
| Primary lithology: | lithified sandstone |
| Secondary lithology: | lithified sandy siltstone |
| Lithology description: with concretions | |
| Environment: | coastal indet. |
| Geology comments: fairly shallow facies from the southernmost part of the Khatanga Basin | |
Taphonomy
| Size of fossils: | macrofossils,microfossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 65458 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate,micropaleontology |
| Created: | 2006-09-22 07:40:18 | Last modified: | 2006-09-22 10:40:18 |
| Access level: | the public | Released: | 2006-09-22 07:40:17 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 18860. | N. I. Shulgina, M. D. Burdykina, V. A. Basov and N. Arhus. 1994. Distribution of ammonites, foraminifera and dinoflagellate cysts in the Lower Cretaceous reference sections of the Khatanga Basin, and Boreal Valanginian biogeography. Cretaceous Research 15(1):1-16 [W. Kiessling/U. Merkel] |