Where: Russian Federation (71.8° N, 127.0° E: paleocoordinates 61.5° N, 30.7° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Wordian (266.9 - 264.3 Ma)
• Kolymia multiformis zone
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Preservation: mold/impression
Primary reference: A. S. Biakov and R. V. Kutygin. 2018. Bivalves from the Delendzhian–Dulgalakhian boundary beds of the Middle Permian of the lower reaches of the Lena River (Northern Verkhoyansk region, Northern Siberia). Paleontological Journal 52:761-767 [M. Clapham/M. Clapham]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 198787: authorized by Matthew Clapham, entered by Matthew Clapham on 10.01.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Rhynchopora lobjaensis Tolmatchew 1912 | |
Neospirifer ex gr. fasciger Keyserling 1846 |