M304A/60,65,68,81, opposite Isit' village, near Tiiktirikteekh R. mouth: Tommotian, Russian Federation
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Hyolithida
- Sulcavitidae
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Burithes cuneatus
Rozanov et al. 1969
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Orthothecida
- Allathecidae
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Doliutus sp.
Rozanov et al. 1969
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Orthothecida
- Orthothecidae
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Trapezotheca bicostata
Rozanov et al. 1969
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Helcionelloida
- Helcionellida
- Trenellidae
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Isitiella inpocera
Zhegallo 1983
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Zhegallo 1983 | ||||||
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Helcionelloida
- Helcionellida
- Stenothecidae
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Anabarella indecora
Rozanov et al. 1969
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Zhegallo 1983 | ||||||
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Helcionelloida
- Helcionellida
- Helcionellidae
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Bemella jacutica
(Rozanov and Missarzhevsky 1966)
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Zhegallo 1983 | ||||||
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Igorella monstrosa
Rozanov et al. 1969
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Zhegallo 1983 | ||||||
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Latouchella korobkovi
(Vostokova 1962)
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Zhegallo 1983 | ||||||
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Helcionelloida
- Pelagiellida
- Aldanellidae
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Aldanella rozanovi
Rozanov et al. 1969
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Zhegallo 1983 | ||||||
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Hyolithelminthida
- Torellellidae
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Ruchtonia sp.
Cobbold and Pocock 1934
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| see common names | |||||||
Geography
| Country: | Russian Federation | State/province: | Yakutia |
| Coordinates: | 60.8° North, 125.3° East (view map) | ||
| Paleocoordinates: | 13.1° South, 14.2° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | Epoch: | Terreneuvian |
| Stage: | Stage 2 | 10 m.y. bin: | Cambrian 2 |
| Key time interval: | Tommotian | Small shelly zone: | Lapworthella tortuosa |
| Age range of interval: | 525.5 - 521 m.y. ago |
Stratigraphy
| Formation: | Pestrotsvet | ||||
| Local section: | M304A | Local bed: | 60-68 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Was Dokidocyathus regularis zone (above A. sunnaginicus zone), Layer 10, but layer 10 is Dokidocyathus regularis zone in Rozanov et al. | |||||
Lithology and environment
| Primary lithology: | "limestone" |
| Secondary lithology: | claystone |
| Environment: | deep subtidal shelf |
Taphonomy
| Modes of preservation: | body,cast,replaced with phosphate |
| Size of fossils: | mesofossils |
Collection methods and comments
| Collection methods: | bulk,chemical,field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Gastropoda of Siberia, Locality (3) - Lena River, opposite of Isit - Layer 10 | ||
| Database number: | 45852 | ||
| Authorizer: | M. Aberhan, P. Wagner | Enterer: | S. Nurnberg, P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2004-12-10 01:27:58 | Last modified: | 2010-06-06 21:44:05 |
| Access level: | the public | Released: | 2004-12-10 01:27:58 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 13330. | A. Y. Rozanov, V. V. Missarzhevsky, N. A. Volkova, L. G. Voronova, I. N. Krylov, B.M. Keller, I. K. Korolyuk, K. Lendzion, R. Mikhnyar, N. G. Pykhova, and A. D. Sidorov. 1969. Tommotskiu jarus i problema nizhney granisty kembriya [The Tommotian Stage and the Cambrian lower Boundary problem]. Trudy Geoligske Institut Leningrad 206:1-379 [P. Wagner/P. Wagner/P. Novack-Gottshall] |
Secondary references:
| 12197 | 1% | E. A. Zhegallo. 1983. Yarusnoye rasuchleneniye nizhnego kembriya Sibiri, Atlas Okamenelostey, Glava Klass Gastropoda. Lower Cambrian stage subdivision of the Siberia, Atlas of Fossils, Chapter Gastropoda. Trudy Instituta Geologii i Geofiziki (Novosibirsk) 558:96-100 [M. Aberhan/S. Nurnberg/O. Alfaro] |