Where: Siberia, Russian Federation (73.0° N, 113.0° E: paleocoordinates 76.0° N, 91.7° E)
• outcrop-level geographic resolution
When: Crespedites taimyrensis zone, VII Member, Tithonian (152.1 - 145.0 Ma)
• exposure 33, layers 15-16; exposure 32, layers 8-9
• member-level stratigraphic resolution
Environment/lithology: marine; gray, silty claystone
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 2476: authorized by Mark Patzkowsky, entered by Karen Layou on 06.07.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Malacostraca | |
Decapoda indet. Latreille 1802 decapod | |
Bivalvia | |
Lima sp. Bruguière 1797 file clam | |
Buchia subinflata scallop | |
Pectinidae indet. Wilkes 1810 scallop
Aequipecten arachnoideus scallop | |
Nucula sp. Lamarck 1799 nut clam | |
Cephalopoda | |
ex gr. Subcraspedites bidevexus, Craspedites candadensis, Craspedites pseudosubditus, aff. Craspedites pseudosubditus
aff. Craspedites pseudosubditus ammonite Craspedites canadensis aff. pseudosubditus - originally entered as "Craspedites aff. pseudosubditus"
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Foraminifera | |
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Nodosariata | |
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Foraminifera | |
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"Marginulina pyramidalis" = Cristellaria (Marginulina), "Marginulina subformosa" = Cristellaria (Marginulina)
"Marginulina pyramidalis" = Cristellaria (Marginulina)
"Marginulina subformosa" = Cristellaria (Marginulina) | |