Cape Urdyuk-Khaya-12 (Cretaceous of Russian Federation)
Where: Siberia, Russian Federation (73.0° N, 113.0° E: paleocoordinates 75.1° N, 91.4° E)
• small collection-level geographic resolution
When: Neotollia klimovskiensis zone, XVII Member, Valanginian (139.8 - 132.9 Ma)
• exposure 33, layers 52-60
• member-level stratigraphic resolution
Environment/lithology: marine; gray, silty claystone
• five persistent concretional intercalations of flattened lens-like or loaf-like clayey limestone are present
Size class: macrofossils
Primary reference: V. N. Saks, ed. 1975. The Jurassic-Cretaceous Boundary and the Berriasian Stage in the Boreal Realm. 1-319 [M. Patzkowsky/K. Layou/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 2486: authorized by Mark Patzkowsky, entered by Karen Layou on 06.07.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
• trace fossils include galleries of mud eaters
Show authors, comments, and common names
Foraminifera | |
Foraminifera indet. foram | |
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Ammodiscus sp. Reuss 1862 | |
Haplophragmoides sp. Cushman 1910 | |
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"ex gr. Marginulina pyramidalis" = Cristellaria (Marginulina)
"ex gr. Marginulina pyramidalis" = Cristellaria (Marginulina) originally entered as "Marginulina ex gr. pyramidalis"
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Nodosariata | |
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Bivalvia | |
Nucula sp. Lamarck 1799 nut clam | |
Lima sp. Bruguière 1797 file clam | |
Buchia sp. Rouillier 1845 scallop | |
Oxytoma sp. Meek and Hayden 1865 scallop | |
Gastropoda | |
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Cephalopoda | |
Acroteuthis arctica belemnite
Belemnites indet. belemnite |