Where: Russian Federation (62.0° N, 171.5° E: paleocoordinates 73.8° N, 107.6° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Oxfordian (161.2 - 155.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified chert

Size class: microfossils

Collection methods: bulk, chemical,

Primary reference: V. S. Vishnevskaya and B. L. Murchey. 2002. Climatic affinity and possible correlation of some Jurassic to Lower Cretaceous radiolarian assemblages from Russia and North America. Micropaleontology 48(S1):89-111 [W. Kiessling/W. Kiessling/W. Kiessling] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 51295: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 02.06.2005