Where: Russian Federation (70.0° N, 128.0° E: paleocoordinates 62.8° N, 33.5° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Boguchan Formation, Wordian (268.8 - 265.1 Ma)
• Lower Boguchan subsuite
•Originally entered as Roadian, but the Boguchan Formation is Wordian according to Biakov et al. (2012).
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Preservation: cast, mold/impression
Reposited in the PIN
Primary reference: M. M. Astaf'yeva. 1987. The Permian bivalved molluscs Parainoceramus and Kolymia. Paleontological Journal 20(4):23-31 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 101644: authorized by Matthew Clapham, entered by Matthew Clapham on 28.12.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Kolymia astafievae n. sp.2 Biakov 2012 clam Kolymia (Cyrtokolymia) nebulae in Astafieva, 1993 (pl 16, fig 5)
Kolymia yurii Astaf'yeva 1987 clam |