Dahaneh-e-Kolut, Derenjal Mountains, AH.9-97, Shirgesht Formation: Tremadocian, Iran

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Corynexochida - Leiostegiidae
Pseudocalymene superba
1 specimen
Trilobita - Ptychopariida - Shumardiidae
Shumardia (Conophrys) cf. pentagonalis
4 specimens
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 Ordovician
Stage: Tremadocian 10 m.y. bin: Ordovician 1
Key time interval: Tremadocian
Age range of interval: 485.4 - 477.7 m.y. ago
Stratigraphy
Formation:Shirgesht Member:Middle Carbonate
Stratigraphic resolution:bed
Stratigraphy comments: sample AH.9-97 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:66866
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2006-10-19 04:00:28 Last modified:2006-10-19 07:00:29
Access level:the public Released:2006-10-19 04:00:17
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]