Chopko River, bed Ch-11-I-4: Taoyuanian, Russian Federation

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Tchopkina tchopkinica
Tchopkina plana
Convexocephalus granularis
Bijaspis nordica
Trilobita - Olenida - Pterocephaliidae
Pterocephaliidae indet. Kobayashi 1935
Trilobita - Asaphida - Ceratopygidae
Proceratopyge tenuita Lazarenko 1966
Trilobita - Ptychopariida - Elviniidae
Irvingella perfecta Chernysheva 1968
Trilobita - Ptychopariida - Catillicephalidae
Onchonotellus abnormis Ivshin 1956
Trilobita - Llanoaspididae
Tagenarella eniseica Lazarenko 1968
Trilobita - Corynexochida - Illaenuridae
Yurakia sp. Rozova 1963
Trilobita - Lichida - Lichakephalidae
Eoacidaspis amplicauda Lazarenko 1968
Agnostida - Diplagnostidae
Agnostotes (Pseudoglyptagnostus) clavatus (Lu 1964)
Pseudagnostus intermedius
Pseudagnostus vastulus Whitehouse 1936
see common names

Geography
Country:Russian Federation State/province:Krasnoyar County:Norilsk
Coordinates: 68.9° North, 88.7° East (view map)
Paleocoordinates:14.7° South, 8.5° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Cambrian
10 m.y. bin: Cambrian 4-5
Key time interval: Taoyuanian Trilobite zone:  Agnostotes clavatus-Irvingella perfecta
Age range of interval: 494.9 - 485.4 m.y. ago
Stratigraphy
Formation:Chopko Member:4
Local section:Chopko River Local bed:Ch-11-I-4
Stratigraphic resolution:bed
Stratigraphy comments: sample Ch-11-I-4 of unit Ch-11, Cambrian stage 9
Lithology and environment
Primary lithology: lithified breccia
Lithology description: breccia-conglomerate
Environment:slope
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:132508
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2012-08-20 23:42:02 Last modified:2012-08-20 08:42:02
Access level:authorizer only Released:2015-08-20 23:42:02
Creative Commons license:CC BY
Reference information

Primary reference:

42671. A. I. Varlamov, K. L. Pak, and A. V. Rosova. 2006. The Upper Cambrian of the Chopko River section, Norilsk region, northwestern Siberian Platform: stratigraphy and trilobites. Paleontological Journal 40(Suppl. 1):1-56 [W. Kiessling/U. Merkel]