Dahaneh-e-Kolut, Derenjal Mountains, AH.8-43, 9-77, 9-99, Shirgesht Formation: Tremadocian, Iran
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita
- Corynexochida
- Leiostegiidae
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Pseudocalymene superba
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4 specimens | ||||||
Trilobita
- Asaphida
- Nileidae
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Nileus cf. exarmatus
Tjernvik 1956
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1 specimen | ||||||
Trilobita
- Asaphida
- Asaphidae
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Megalaspides winsnesi
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1 specimen | ||||||
see common names |
Geography
Country: | Iran |
Coordinates: | 34.1° North, 56.8° East (view map) |
Paleocoordinates: | 5.1° North, 147.4° East |
Basis of coordinate: | stated in text |
Geographic resolution: | small collection |
Time
Period: | Ordovician | Epoch: | Early/Lower Ordovician |
Stage: | Tremadocian | 10 m.y. bin: | Ordovician 1 |
Key time interval: | Tremadocian | ||
Age range of interval: | 485.40000 - 477.70000 m.y. ago |
Stratigraphy
Formation: | Shirgesht | Member: | Middle Carbonate | ||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: samples AH.8-43, AH.9-77 and AH.9-99 from the lower part of the Middle Carbonate Member, Tremadoc(-Early Arenig?) |
Lithology and environment
Primary lithology: | lithified "limestone" |
Lithology description: sandy, marly red limestone | |
Environment: | marine indet. |
Taphonomy
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Database number: | 66867 | ||
Authorizer: | W. Kiessling | Enterer: | U. Merkel |
Modifier: | U. Merkel | Research group: | marine invertebrate |
Created: | 2006-10-19 04:08:04 | Last modified: | 2006-10-19 07:43:58 |
Access level: | the public | Released: | 2006-10-19 04:08:04 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
19028. | D. L. Bruton, A. J. Wright, and M. A. Hamedi. 2004. Ordovician Trilobites from Iran. Palaeontographica Abteilung A 271(5-6):111-149 [W. Kiessling/U. Merkel] |