loc. 7416, Middle Lena River: Late/Upper Llanvirn, Russian Federation
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Prybilina levis
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| 5c | ||||||||||
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Ostracoda
- Leperditicopida
- Leperditiidae
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Eoleperditia sp.
Swartz 1949
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| 6 | ||||||||||
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Ostracoda
- Beyrichicopida
- Soanellidae
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Quadrilobella recta
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| 5t, 6 | ||||||||||
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Ostracoda
- Beyrichicopida
- Drepanellidae
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Planusella anomalis
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| 5c, 5y; 5t: Planusella bicornis | ||||||||||
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Ostracoda
- Hollinocopida
- Tetradellidae
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Fidelitella unica
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| 5t, 6 | ||||||||||
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Ostracoda
- Leperditellocopida
- Primitiidae
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Primitia annae
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| 5c, 5t | ||||||||||
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Cephalopoda
- Actinocerida
- Armenoceratidae
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Stolbovoceras borealis
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| 5t | ||||||||||
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Rhynchonellata
- Orthida
- Plaesiomyidae
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Multicostella sp.
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Rhynchonellata
- Orthida
- Hesperorthidae
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Hesperorthis insuetus
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| 5c | ||||||||||
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Rhynchonellata
- Orthida
- Plectorthidae
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Evenkinorthis dualis
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| synonym of Nanorthis | ||||||||||
| 5c | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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Lenatoechia sp.
Nikiforova 1970
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Strophomenata
- Strophomenida
- Glyptomenidae
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Platymena amara
(Andreeva 1955)
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| 5c | ||||||||||
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Conodonta
- Prioniodontida
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Phragmodus flexuosus
Moskalenko 1973
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| 5c, 5t | ||||||||||
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Conodonta
- Prioniodontida
- Balognathidae
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? Amorphognathus sp.
Branson and Mehl 1933
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| 5t | ||||||||||
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Conodonta
- Prioniodontida
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Oulodus restrictus
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| 5c; 5t: Oulodus expansus | ||||||||||
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Erismodus sp.
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Microcoelodus tunguskaensis
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| synonym of Erismodus | ||||||||||
| 5c, 5t | ||||||||||
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Conodonta
- Prioniodontida
- Cyrtoniodontidae
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Bryantodina lenaica
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| 5c | ||||||||||
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Conodonta
- Protopanderodontida
- Protopanderodontidae
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Drepanodus sp.
Pander 1856
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| 5c | ||||||||||
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Conodonta
- Coleodontidae
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? Stereoconus sp.
Branson and Mehl 1933
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| 5c; 6: Stereoconus corrugatus | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Russian Federation | State/province: | Siberia |
| Coordinates: | 60.0° North, 114.0° East (view map) | ||
| Paleocoordinates: | 10.4° North, 9.6° East | ||
| Geographic resolution: | basin |
Time
| Period: | Ordovician | Epoch: | Middle Ordovician |
| Stage: | Darriwilian | 10 m.y. bin: | Ordovician 3 |
| *Period: | Middle Ordovician | *Epoch: | Late/Upper Llanvirn |
| *International age/stage: | Late/Upper Llanvirn | ||
| Key time interval: | Late/Upper Llanvirn | Graptolite zone: | Glyptograptus teretiusculus |
| Age range of interval: | 461.30000 - 458.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Krivaya Luka | Formation: | Kirenskii-Kudrinskii |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | lithified carbonaceous siltstone |
| Secondary lithology: | "limestone" |
| Lithology description: siltstone and organic-rich limestone | |
| Environment: | deep subtidal shelf |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | species names |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 9229 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2000-10-06 12:05:17 | Last modified: | 2020-05-20 14:25:46 |
| Access level: | the public | Released: | 2000-10-06 12:05:17 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 676. | A. V. Kanygin. 1989. Ordovician siberian Platform: Fauna and stratigraphy of the Lena Facial Zone; Novosibirski; Nauka Sib. Birch. Trudy Instituta Geologii i Geofiziki Vypusk Akademiya Nauk SSSR 751:1-216 [A. Miller/P. Novack-Gottshall/M. Uhen] |