Where: Krasnoyar, Russian Federation (68.9° N, 88.7° E)
• Paleocoordinates: 6.3° S, 35.4° W (Wright 2013)
• coordinate estimated from map
• small collection-level geographic resolution
When: Agnostotes clavatus-Irvingella perfecta trilobite zone, 4 Member (Chopko Formation), Taoyuanian (495.2 - 486.9 Ma)
• sample Ch-11-I-4 of unit Ch-11, Cambrian stage 9
• bed-level stratigraphic resolution
Environment/lithology: slope; lithified breccia
Size class: macrofossils
Preservation: cast, mold/impression
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 132508: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.08.2012
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Trilobita | |
Pterocephaliidae indet. Kobayashi 1935 trilobite | |
Tagenarella eniseica Lazarenko 1968 trilobite | |
Eoacidaspis amplicauda Lazarenko 1968 trilobite | |
Yurakia sp. Rozova 1963 trilobite | |
Onchonotellus abnormis Ivshin 1956 trilobite | |
Irvingella perfecta Chernysheva 1968 trilobite | |
Proceratopyge tenuita Lazarenko 1966 trilobite | |
Artiopoda | |
Pseudagnostus intermedius, Pseudagnostus vastulus, "Agnostotes (Pseudoglyptagnostus) clavatus" = Agnostotes orientalis
Pseudagnostus vastulus Whitehouse 1936
"Agnostotes (Pseudoglyptagnostus) clavatus" = Agnostotes orientalis Kobayashi 1935 |