west Prianabar Section, Medvezhin Formation, Member 7 (Cambrian of Russian Federation)

Where: Siberia, Russian Federation (70.7° N, 103.0° E: paleocoordinates 24.4° S, 6.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Dokidocyathus regularis other zone, 7 Member (Medvezhin Formation), Tommotian (525.5 - 521.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

• varriegated limestone (from key)

Size classes: macrofossils, mesofossils, microfossils

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 50432: authorized by Pete Wagner, entered by Pete Wagner on 15.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Notabilites simplex
Brachiopoda
 Tommotiida - Lapworthellidae
Lapworthella tortuosa
Hyolitha
 Hyolithida - Sulcavitidae
"Burites erum" = Burithes erum
"Burites erum" = Burithes erum Rozanov et al. 1969
 Orthothecida - Novitatidae
Novitatus laevis
Novitatus laevis Syssoiev 1968
 Orthothecida - Allathecidae
Majatheca tumefacta
Majatheca tumefacta Rozanov et al. 1969
 Orthothecida -
"Turcutheca cotuiensis" = Khetatheca cotuiensis
"Turcutheca cotuiensis" = Khetatheca cotuiensis Syssoiev 1959
Fomitchella infundibuliformis
  -
"Fomitchella infundibuliformis" = Fomitchella infundabiliformis
"Fomitchella infundibuliformis" = Fomitchella infundabiliformis Rozanov et al. 1969
Scyphozoa
 Anabaritida - Anabaritidae
Cambrotubulus decurvatus, "Kugdatheca voluta" = Anabarites voluta
Cambrotubulus decurvatus Rozanov et al. 1969 jellyfish
"Kugdatheca voluta" = Anabarites voluta Rozanov et al. 1969 jellyfish