Where: Kazakhstan (43.5° N, 70.0° E: paleocoordinates 0.7° S, 100.8° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Ptychagnostus atavus trilobite zone, Aktas Formation, Tuesaian (505.3 - 503.0 Ma)
• sample 1465-12 from unit V (10-91.5 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 118089: authorized by Wolfgang Kiessling, entered by Uta Merkel on 05.10.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Artiopoda | |
Ptychagnostus ex gr. punctuosus Angelin 1851
Ptychagnostus atavus Tullberg 1880
Ptychagnostus karatauensis Ergaliev 1980 | |
Pseudoperonopsis karatauensis Ergaliev and Ergaliev 2008 | |
Pentagnostus admirabilis n. sp.
Pentagnostus admirabilis n. sp. Ergaliev and Ergaliev 2008 |