Where: Russian Federation (50.2° N, 155.3° E: paleocoordinates 69.4° N, 174.6° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Naiba Formation, Late/Upper Cenomanian (99.6 - 93.5 Ma)
• STRATIGRAPHIC RELATIONS: From "Member 3" of the Naiba Fm, which is overlain by the Bykov Fm (Turonian). AGE: late Early Cenomanian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From near base of regional section.
• member-level stratigraphic resolution
Environment/lithology: marine; lithified, sandy mudstone
Size class: macrofossils
Preservation: cast, mold/impression
Collected by Yazkova
• COLLECTORS: Authors, Yazkova, Peryt, Zonova, and Kasintzova. REPOSITORY: Specimens studied are housed in the VSEGEI (Vserosyjskij, Nauchno-Issledovatelskij Geologicheskij Institut – All Russian
•Science Research Geological Institute) Museum (Saint Petersburg, Russia), at the University of Silesia, Faculty of Earth Sciences (Sosnowiec, Poland), and at the Institute of Paleobiology, Polish Academy of Sciences (Warsaw).
Primary reference: E. A. Yazykova, D. Peryt, and T. D. Zonovia. 2004. The Cenomanian/Turonian boundary in Sakhalin, Far East Russia: ammonites, inoceramids, foraminifera, and radiolarians. New Zealand Journal of Geology and Geophysics 47:291-320 [A. Hendy/A. Hendy/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 84222: authorized by Austin Hendy, entered by Austin Hendy on 27.09.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Neophylloceras seresitense" = Phylloceras seresitense
"Neophylloceras seresitense" = Phylloceras seresitense Pervinquière 1907 ammonite | |
Mantelliceras olcostephanoides ammonite
Mantelliceras sp. Hyatt 1903 ammonite | |
Desmoceras (Desmoceras) kossmati Matsumoto 1942 ammonite | |
Parajaubertella kawakitana, Zelandites inflatus, "Anagaudryceras buddha" = Anagaudryceras sacya, Gaudryceras varagurense
Parajaubertella kawakitana Matsumoto 1943 ammonite
Zelandites inflatus Matsumoto 1959 ammonite
"Anagaudryceras buddha" = Anagaudryceras sacya Forbes 1846 ammonite
Gaudryceras varagurense Kossmat 1895 ammonite | |
Bivalvia | |
Inoceramus aff. crispi, "Inoceramus pictus" = Inoceramus (Inoceramus) pictus
"Inoceramus pictus" = Inoceramus (Inoceramus) pictus Sowerby 1829 clam |