Where: Russian Federation (65.0° N, 53.5° E: paleocoordinates 60.0° N, 49.6° E)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Kimmeridgian (155.7 - 150.8 Ma)

• kitchini Ammonite zone, Buchia concentrica Zone

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal; lithified, cherty/siliceous claystone

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 51296: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 02.06.2005