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: Janaija praelonga other zone, Ulakhan-Krest Formation, Anisian (247.2 - 242.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, fine-grained, concretionary, gray sandstone
•beds of large (0.5–1 m) spherical and loaf-like calcareous
•concretions, lenses, and lumachelle interbeds (5–15 cm)
•with echinoid spines (only in the lower part of the bed),
•bivalve and scaphopod shells, and wood remains.
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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 124666: authorized by Martin Aberhan, entered by Daniel Wellmanns on 20.02.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Scaphopoda | |
Dentalium sp. Linnaeus 1758 tusk shell | |
Bivalvia | |
Pseudocorbula pseudogregaria Kurushin 1992 clam | |
Neoschizodus sp. Giebel 1855 clam | |
Cardinioides fidus Kurushin 1990 clam | |
Bakevellia (Maizuria) cf. ladinica Kurushin 1980 oyster |