Where: Russian Federation (64.6° N, 128.9° E: paleocoordinates 85.9° N, 164.7° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Kybytygas Formation, Rhaetian (208.5 - 201.3 Ma)
• Efimovae Zone
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; lithified sandstone
Size class: macrofossils
Primary reference: A. M. Kazakov and N. I. Kurushin. 1992. Stratigraphy of Norian and Rhaetian deposits in the northern Middle Siberia. Russian Geology and Geophysics 33(6):1-8 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 69448: authorized by Wolfgang Kiessling, entered by Uta Merkel on 26.02.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Cardinia sp. Agassiz 1841 clam | |
Unionites lettica clam | |
Tancredia tuchkovi clam | |
"Pseudomytiloides" sp. Koschelkina 1963 clam | |
Tosapecten efimovae Polubotko 1966 scallop |