Where: Russian Federation (63.4° N, 177.0° E: paleocoordinates 55.8° N, 72.7° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Lower Member (Nytymokin Formation), Alaunian (215.6 - 212.0 Ma)
• Lower Nutekin Formation, middle Norian
• group of beds-level stratigraphic resolution
Environment/lithology: lithified limestone
Size class: macrofossils
Collected by Yu. M. Bychkov in 1982
• Repository: SVPGO (North-Eastern Production Geological Association museum)
Primary reference: Y. M. Bychkov. 1985. Pozdnetriasovye mollyuski Khrebta Kenkeren (Koryakskoe Nagorye). Dvustvorchatye i Golovonogie Mollyuski Mezozoya Severo-Vostoka SSSR 5-24 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 136160: authorized by Matthew Clapham, entered by Matthew Clapham on 20.11.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Pinacoceras ex gr. metternichi Hauer 1846 ceratite | |
Pseudosirenites aff. pardoneti McLearn 1940 ceratite | |
Bivalvia | |
Maoritrigonia chekhovi Bychkov 1985 clam
Maoritrigonia beringica Bychkov 1985 clam
Trigonia (Kumatrigonia) nemtinovi Bychkov 1985 clam | |
Gryphaea kenkerensis Bychkov and Nechitailenko 1985 oyster |