Where: Siberia, Russian Federation (63.7° N, 73.7° E: paleocoordinates 61.1° N, 67.5° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Bazhenov Formation, Early/Lower Berriasian (145.0 - 140.2 Ma)

• Lower boreal Berriasian; equivalents of the Chetaites sibiricus zone

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, black shale and lithified, fine-grained sandstone

Size class: macrofossils

Collection methods: core,

Primary reference: V. A. Zakharov, V. A. Kazanenkov, Y. I. Bogomolov, N. K. Lebedeva, V. A. Marinov, Y. N. Karogodin, and E. B. Peshchevitskaya. 1999. Biostratigraphy of the Neocomian of the northern Ob' region. Russian Geology and Geophysics 40(8):1117-1129 [M. Aberhan/S. Nurnberg/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 64294: authorized by Martin Aberhan, entered by Sabine Nürnberg on 06.09.2006

Creative Commons license: CC BY (attribution)