Where: Kazakhstan (43.5° N, 70.0° E: paleocoordinates 2.8° S, 99.2° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Goniagnostus nathorsti trilobite zone, Aktas Formation, Zhanaarykian (503.0 - 500.5 Ma)
• sample 1465-21 from unit VI (91.5-132 m) of the Kyrshabakty River section
• bed-level stratigraphic resolution
Environment/lithology: basinal (); lithified lime mudstone
Size class: mesofossils
Preservation: cast
Primary reference: G. K. Ergaliev and F. G. Ergaliev. 2008. Agnostidy srednego i verkhnego Kembriya Aksayskogo Gosudarstvennogo Geologicheskogo Zakaznika v yushnom Kazakhstane (Kyrshabakty, Malyy Karatau) [Middle and Upper Cambrian Agnostida from the Aksai National Geological Reserve in southern Kazakhstan (Kyrshabakty River, Malyy Karatau Range)] 1-359 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 118099: authorized by Wolfgang Kiessling, entered by Uta Merkel on 06.10.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Artiopoda | |
Hypagnostus truncatus Brogger 1878
Hypagnostus parvifrons Linnarsson 1869 | |
Goniagnostus nathorsti Brogger 1878 | |
Ammagnostus laiwuensis Lorenz 1906
Ammagnostus sinensis Peng 1987 | |
Utagnostus trispinulus Robison 1964 |