Where: Russian Federation (60.6° N, 150.8° E: paleocoordinates 75.4° N, 155.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Hettangian (201.3 - 196.5 Ma)

• Occurs with Waehneroceras

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collection methods: Repository: IGiG (Institute for Geology and Geophysics, Novosibirsk)

Primary reference: A. S. Dagys. 1968. Yurskie i Rannemelovye brakhiopody Severa Sibiri. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 1-167 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135559: authorized by Matthew Clapham, entered by Matthew Clapham on 28.10.2012

Creative Commons license: CC BY (attribution)