Where: Russian Federation (60.8° N, 141.6° E: paleocoordinates 71.9° N, 43.1° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Menkechen Formation, Roadian (272.3 - 268.8 Ma)
• Lower Menkechen Subsuite
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Preservation: cast, mold/impression
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 101646: authorized by Matthew Clapham, entered by Matthew Clapham on 28.12.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
| Bivalvia | |
Kolymia (Kolymia) angusta n. sp., Kolymia inoceramiformis, Kolymia (Kolymia) anaticula, Kolymia yurii
Kolymia (Kolymia) angusta n. sp. Astaf'yeva 1988 clam
Kolymia inoceramiformis Licharew 1941 clam
Kolymia (Kolymia) anaticula Astaf'yeva 1988 clam
Kolymia yurii Astaf'yeva 1987 clam | |