Kulumbe River Valley (Cambrian of Russian Federation)

Where: Siberia, Russian Federation (68.0° N, 88.0° E: paleocoordinates 14.4° S, 8.9° E)

• local area-level geographic resolution

When: Orakta Formation, Sakian (501.0 - 485.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

• oolitic limestone, dolomite, algal laminated limestone and argillite

Size class: macrofossils

Collection methods: JA: marked by Novack-Gottshall without explanation as omitting some genera, some macrofossils, some microfossils, and species names, but apparently complete

Primary reference: M. J. Hopkins. 2011. Species-level phylogenetic analysis of pterocephaliids (Trilobita, Cambrian) from the Great Basin, Western USA. Journal of Paleontology 85(6):1128-1153 [P. Wagner/P. Wagner/E. Enterer]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 225283: authorized by Pete Wagner, entered by Pete Wagner on 02.05.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Olenida - Pterocephaliidae
Sigmocheilus delicatus Lazarenko 1968 trilobite
temporary