Khorbusuonka River, Lower Kessyusa Formation (Cambrian of Russian Federation)

Where: Sakha, Russian Federation (71.3° N, 124.0° E: paleocoordinates 28.4° S, 12.7° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Lower Member (Kessyusa Formation), Nemakit-Daldynian (538.8 - 525.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified siltstone and lithified sandstone

• outer shoreface of a siliciclastic shelf, deposition close to storm wave-base
• maroon siltstones with intercalated thin, hummocky cross-stratified, fine- to medium-grained sandstone beds

Size class: macrofossils

Primary reference: A. H. Knoll, J. P. Grotzinger, A. J. Kaufman and P. Kolosov. 1995. Integrated approaches to terminal Proterozoic stratigraphy: an example from the Olenek Uplift, northeastern Siberia. Precambrian Research 73:251-270 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 99228: authorized by Wolfgang Kiessling, entered by Uta Merkel on 03.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Olenichnus irregularis, Planispiralichnus grandis, Protospiralichnus circularis
Scyphozoa
 Anabaritida - Anabaritidae
Cambrotubulus decurvatus, Anabarites trisulcatus
Cambrotubulus decurvatus Rozanov et al. 1969 jellyfish
Anabarites trisulcatus Voronova and Missarzhevsky 1969 jellyfish
Protoconodonta
  -
Protohertzina anabarica
Protohertzina anabarica Missarzhevsky 1973
Sabelliditida
 Sabelliditida -
Sabelliditida indet.
Sabelliditida indet. Sokolov 1965
 Ichnofossils -
Gordia sp., Phycodes sp.
Gordia sp. Emmons 1844
Phycodes sp. Richter 1850