Zeravshan-Hissar mountain region, Chakylkalyanskogo Type, Akbasayskaya Suite (2): Early/Lower Emsian, Tajikistan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Cyrcophyllum columellaris
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Zagoria sp.
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Parastegnammina sp.
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Parathuramminidae
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Parathurammina cf. graciosa
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Hormogoneae
- Oscillatoriales
- Girvanellaceae
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Girvanella sp.
Nicholson and Etheridge 1878
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Anthozoa
- Favositida
- Favositidae
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Favosites cf. placenta
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Favosites aff. goldfussi
Lecompte 1939
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Anthozoa
- Stauriida
- Mucophyllidae
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Pseudamplexus cf. quadripartitus
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Anthozoa
- Stauriida
- Laccophyllidae
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Syringaxon sp.
Lindström 1882
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Anthozoa
- Stauriida
- Phillipsastreidae
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Farabophyllum intermedium
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Anthozoa
- Cystiphyllida
- Tryplasmatidae
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Tryplasma aequabilis
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Crinoidea
- Monobathrida
- Hexacrinitidae
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Hexacrinites argutus
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Crinoidea
- Cyathocrinida
- Cupressocrinitidae
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Cupressocrinites gracilis
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Cupressocrinites trimerus
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Cupressocrinites crassus
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Cupressocrinites abbreviatus
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Tentaculita
- Styliolinida
- Styliolinidae
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Styliolina ex gr. nucleata
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Styliolina cf. fissurella
(Hall 1879)
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Tentaculita
- Nowakiida
- Crassilinidae
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Alaina cf. dentata
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Tentaculita
- Nowakiida
- Nowakiidae
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Turkestanella aff. rariannulata
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Turkestanella ex gr. acuaria
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Turkestanella ex gr. clathrata
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see common names |
Geography
Country: | Tajikistan |
Coordinates: | 39.0° North, 69.0° East (view map) |
Paleocoordinates: | 4.8° South, 73.4° East |
Basis of coordinate: | estimated from map |
Geographic resolution: | basin |
Time
Period: | Devonian | Epoch: | Early/Lower Devonian |
Stage: | Emsian | 10 m.y. bin: | Devonian 2 |
Key time interval: | Early/Lower Emsian | ||
Age range of interval: | 407.60000 - 398.30000 m.y. ago |
Stratigraphy
Formation: | Akbasayskaya | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: Lower Emsian; The Akbasayskaya Suite has a thickness of 400-450m. The listed fossils belong to the Farabophyllum intermedium zone. |
Lithology and environment
Primary lithology: | chert |
Secondary lithology: | "limestone" |
Lithology description: Jasper and limestone | |
Environment: | marine indet. |
Taphonomy
Size of fossils: | macrofossils,mesofossils,microfossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 45841 | ||
Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
Modifier: | S. Nurnberg | Research group: | marine invertebrate,micropaleontology |
Created: | 2004-12-09 02:18:34 | Last modified: | 2006-06-16 07:44:46 |
Access level: | the public | Released: | 2004-12-09 02:18:34 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
12132. | 1% | A. I. Lavrusevich, V. I. Lavrusevich, and V. D. Saltovskaya. 1973. Daunton i nizhniy devon Zeravshano-Gissarskoy gornoy oblasti. The Downtonian and lower Devonian of the Zeravshan-Hissar mountain region. Sovetskaya Geologiya 12:10-25 [M. Aberhan/S. Nurnberg/S. Nurnberg] |