Bol’shaya Kuonamka River 8/22.5 (Cambrian of Russian Federation)

Also known as Section 8

Where: Siberia, Russian Federation (70.7° N, 113.0° E: paleocoordinates 17.0° S, 6.2° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Kuonamkites trilobite zone, 6 Member (Kuonamka Formation), Solvan (513.0 - 501.0 Ma)

• Amgan stage of Siberian scale. Kuanamkites zone; "correlated with lower Stage 5 of IUGS"

• bed-level stratigraphic resolution

Environment/lithology: concretionary lime mudstone

• "Grey fossiliferous mudstones with minor wacke- and packstone layers. Thick- ness: 2.6 m."

Size classes: macrofossils, microfossils

Preservation: concretion, replaced with silica

Collected by A. Kouchinsky, S. Bengtson in 1996

• Swedish Museum of Natural History

Primary reference: A. Kouchinsky, S. Bengtson, S. Clausen, A. Gubanov, J. M. Malinky and J. S. Peel. 2011. A middle Cambrian fauna of skeletal fossils from the Kuonamka Formation, northern Siberia. Alcheringa 35(1):123-189 [P. Wagner/H. Street]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 110824: authorized by Pete Wagner, entered by Hallie Street on 14.06.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Coeloscleritophora
 Chancelloriida -
Chancelloriida indet. Walcott 1920
Hyolitha
  -
Protoconodonta
  -
Protoconodonta indet. Landing 1995
Bradoriida
  -
Conodonta
  - Amphigeisinidae
 Pseudoconodontida -
Mongolitubulus reticulatus Kouchinsky et al. 2011