Cape Urdyuk-Khaya-10 (Cretaceous of Russian Federation)
Where: Siberia, Russian Federation (73.0° N, 113.0° E: paleocoordinates 75.5° N, 91.9° E)
• small collection-level geographic resolution
When: Bojarkia mesezhnikowi zone, XV Member, Berriasian (145.0 - 139.8 Ma)
• exposure 33, layers 39-44
• member-level stratigraphic resolution
Environment/lithology: marine; gray, silty shale
• many loaf-shaped concretions of clayey, sometimes sideritized grey limestone within the member
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 2484: 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 | |
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Ammodiscus sp. Reuss 1862 | |
Haplophragmoides sp. Cushman 1910 | |
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"Marginulina pyramidalis" = Cristellaria (Marginulina), "ex gr. Marginulina robusta" = Cristellaria (Marginulina), "Marginulina impropria" = Cristellaria (Marginulina)
"Marginulina pyramidalis" = Cristellaria (Marginulina)
"ex gr. Marginulina robusta" = Cristellaria (Marginulina) originally entered as "Marginulina ex gr. robusta"
"Marginulina impropria" = Cristellaria (Marginulina) | |
Nodosariata | |
Saracenaria sp. Defrance 1824 | |
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Bivalvia | |
Nucula sp. Lamarck 1799 nut clam | |
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Oxytoma articostata scallop | |
Gastropoda | |
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Cephalopoda | |
Tollia subtilis ammonite
"cf. Tollia tolli" = Tollia (Tollia) tolli Pavlow 1914 ammonite originally entered as "Tollia cf. tolli"
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