Where: Siberia, Russian Federation (68.0° N, 88.0° E: paleocoordinates 12.2° S, 12.6° E)
• local area-level geographic resolution
When: Lower Member (Ujgur Formation), Mansian (485.4 - 485.0 Ma)
• formation-level stratigraphic resolution
Environment/lithology: sand shoal; lithified, ooidal, calcareous grainstone and limestone
Size class: macrofossils
Collection methods: JA: marked by Novack-Gottshall without explanation as omitting some genera, some macrofossils, some microfossils, and species names, but apparently complete
Primary reference: A. V. Rozova. 1968. Biostratigrafiya i trilobity verkhnego Kembriya i nizhnego Ordovika severo-zapada Sibirskoy Platformy [Biostratigraphy and trilobites of the Upper Cambrian and Lower Ordovician of the northwestern Siberian platform]. Trudy Instituta Geologii i Geofiziki, Sibirskoye Otdeleniye 36:1-195 [A. Miller/P. Novack-Gottshall/U. Merkel]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 9287: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 12.10.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Pterobranchia | |
Callograptus sp. graptolite | |
Trilobita | |
? Stenopilus sp. Raymond 1924 trilobite | |
Mansiella sp. Rozova 1968 trilobite | |
Pseudokoldinia sp. Rozova 1968 trilobite | |
Pseudoacrocephalites sp. Maksimova 1962 trilobite
Ketyna sp. Rozova 1963 trilobite | |
? Kaninia sp. Walcott and Resser 1928 trilobite | |
Rhynchonellata | |
Eoorthis sp. Walcott 1908
Apheoorthis sp. Ulrich and Cooper 1936 | |
Tetralobula sp. Ulrich and Cooper 1936 |