Where: Russian Federation (71.8° N, 127.2° E: paleocoordinates 71.2° N, 1.3° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: omkutchanicum ammonoid zone, Julian (235.0 - 232.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Collection methods: Repository: TsSGM (Central Siberian Geological Museum in the Institute of Geology, Geography and Mineralogy of the Siberian Branch, Russian Academy of Sciences, Novosibirsk), same as IGiG (Institute for Geology and Geophysics, Novosibirsk)
Primary reference: A. S. Dagys and N. I. Kurushin. 1985. Triasovye brakhiopody i dvustvorchatye mollyuski severa sredney Sibiri. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 633:1-160 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 135844: authorized by Matthew Clapham, entered by Matthew Clapham on 11.11.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Sakawairhynchia olenekensis Dagys 1965 | |
Cephalopoda | |
Trachyceras sp. Laube 1869 ceratite
Boreotrachyceras omkutchanicum Bychkov 1973 ceratite |