Dzhanda Section [basal Member 4, Ust-Yudoma Fm] (Cambrian of Russian Federation)

Where: Siberia, Russian Federation (57.7° N, 131.8° E: paleocoordinates 15.1° S, 17.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Purella antiqua small shelly zone, IV Member (Ust-Yudoma Formation), Nemakit-Daldynian (538.8 - 525.5 Ma)

• Purella antiqua zone; given as Vendian, but Gubanov & Peel (2003: Palaeontology) redate it as upper Nemakit-Daldynian.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified dolomite

• clayey dolomite (from key)

Size class: macrofossils

Primary reference: V. V. Khomentovsky and G. A. Karlova. 1993. Biostratigraphy of the Vendian-Cambrian beds and the lower Cambrian boundary in Siberia. Geological Magazine 130(1):29-45 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 50340: authorized by Pete Wagner, entered by Pete Wagner on 12.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Scyphozoa
 Coronatae -
Olivooides sp.
Olivooides sp. Qian 1977 jellyfish
 Anabaritida - Anabaritidae
Cambrotubulus sp., Cambrotubulus decurvatus, "Anabarites tricarinatus" = Selindeochrea tricarinata, "Anabarites tripartitus" = Selindeochrea tripartita, Tiksitheca licis, Anabarites signatus, "Angustiochrea lata" = Anabarites latus, Anabarites trisulcatus, "Kotuites biplicatus" = Anabarites biplicatus
Cambrotubulus sp. Rozanov et al. 1969 jellyfish
Cambrotubulus decurvatus Rozanov et al. 1969 jellyfish
"Anabarites tricarinatus" = Selindeochrea tricarinata Rozanov et al. 1969 jellyfish
"Anabarites tripartitus" = Selindeochrea tripartita Rozanov et al. 1969 jellyfish
Tiksitheca licis Rozanov et al. 1969 jellyfish
Anabarites signatus Missarzhevsky and Mambetov 1981 jellyfish
"Angustiochrea lata" = Anabarites latus Val'kov and Sysoev 1970 jellyfish
Anabarites trisulcatus Voronova and Missarzhevsky 1969 jellyfish
"Kotuites biplicatus" = Anabarites biplicatus Missarzhevsky 1989 jellyfish
 Palaeoscolecidomorpha -
Markuelia sp.
Markuelia sp. Valkov 1983
Protoconodonta
  -
Protohertzina anabarica, Protohertzina unguliformis
Protohertzina anabarica Missarzhevsky 1973
Protohertzina unguliformis Missarzhevsky 1973
 Sachitida - Siphogonuchitidae
"Palaeosulcachites sp." = Siphogonuchites
"Palaeosulcachites sp." = Siphogonuchites Qian 1977
Purella
  - Maikhanellidae
Purella sp.
Purella sp. Missarzhevsky 1974