Where: Russian Federation (71.7° N, 127.8° E: paleocoordinates 65.8° N, 13.3° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Pseudononosaria obconica foram zone, Ulakhan-Krest Formation, Anisian (247.2 - 242.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, concretionary, phosphatic mudstone and lithified, concretionary, gray, green, argillaceous siltstone
•greenish-gray argillaceous siltstones. The bedding planes
•contain carbonized fine vegetal detritus. The rocks con-
•tain pyrite and calcareous concretions.
Size class: macrofossils
Primary reference: A. G. Konstantinov, E. S. Sobolev, and A. V. Yadrenkin. 2007. Detailed biostratigraphy of Triassic deposits in the Lena lower reaches(northern Yakutia). Russian Geology and Geophysics 48:721-736 [M. Aberhan/D. Wellmanns]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 124659: authorized by Martin Aberhan, entered by Daniel Wellmanns on 20.02.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
| Bivalvia | |
|
Meleagrinella tasaryensis Voronetz 1936 scallop | |
|
Hoernesia aff. kularensis oyster | |
|
Lapteviella prontchistshevi Kurushin 1985 clam
Taimyrodon olenekensis Kiparisova 1937 clam | |
| Cephalopoda | |
|
Sibyllonautilus aff. artus Sobolev 1989 | |
|
Gryponautilus kegalensis Sobolev 1989 | |
|
Indigirites sp. Popov 1947 ceratite | |
| Nodosariata | |