Where: Kazakhstan (43.5° N, 70.0° E: paleocoordinates 6.4° S, 94.7° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Micragnostus mutabilis-Lophosaukia trilobite zone, Bestogai Formation, Batyrbaian (498.5 - 485.4 Ma)
• sample 1401-11-2 from unit XII (530-600 m) of the Kyrshabakty River section
• bed-level stratigraphic resolution
Environment/lithology: slope; lithified limestone
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 118910: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.10.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Loganopeltoides proprius Ergaliev 1980 trilobite | |
Koldinioidia typicalis Kobayashi 1931 trilobite | |
Niobella kozhuchensis Petrunina 1973 trilobite | |
Ivshinaspis crispa Petrunina 1973 trilobite | |
Lophosaukia rectangulata Ergaliev 1980 trilobite | |
Ketyna ketiensis Rozova 1963 trilobite
Ketyna glabra Rozova 1963 trilobite | |
Proapatokephaloides longiformis Ergaliev 1980 trilobite | |
Artiopoda | |
Rhaptagnostus obsoletus Lermontova 1951
Rhaptagnostus plenus Xiang and Zhang 1985 | |
Leiagnostus sp. Jaekel 1909 | |
Neoagnostus cf. clavus Shergold 1971
Micragnostus mutabilis Ergaliev 1980 |