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)