Where: Siberia, Russian Federation (63.6° N, 73.8° E: paleocoordinates 60.7° N, 67.8° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Ust'-Balyk Formation, Early/Lower Valanginian (140.2 - 136.4 Ma)
• Bed BS9; equivalents of the Propolyptychites quadrifidus zone
• bed-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; lithified siltstone and lithified, fine-grained sandstone
Size class: macrofossils
Collection methods: core,
Primary reference: V. A. Zakharov, V. A. Kazanenkov, and Y. I. Bogomolov. 1999. Biostratigraphy of the Neocomian of the northern Ob' region. Russian Geology and Geophysics 40(8):1117-1129 [M. Aberhan/S. Nurnberg/M. Uhen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 64296: authorized by Martin Aberhan, entered by Sabine Nürnberg on 06.09.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Hudlestonella sp. Cossmann 1909 snail | |
Bivalvia | |
Limatula sp. Wood 1839 file clam | |
Oxytoma cf. articostata scallop
Oxytoma sp. Meek and Hayden 1865 scallop | |
Thracia sp. Blainville 1824 clam | |
Foraminifera | |