Where: Sakha, Russian Federation (57.3° N, 131.2° E: paleocoordinates 14.7° S, 17.0° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Purella antiqua small shelly zone, 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. AGE: Nemakit-Daldynian; refined by A. Hendy (6/2009) on the basis of biostratigraphic data (= Purella antiqua zone).
• bed-level stratigraphic resolution
Environment/lithology: lithified, glauconitic limestone
Size class: macrofossils
Preservation: mold/impression, replaced with phosphate
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: general faunal/floral analysis
PaleoDB collection 50313: authorized by Pete Wagner, entered by Pete Wagner on 12.05.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Orthothecimorpha | |
Aldanolina magna | |
Aldanolina magna Pelman 1983 | |
Barskovia | |
Barskovia sp. Golubev 1976 | |
Algomiella | |
Algomiella caliptrata | |
"Algomiella caliptrata" = Algomella calyptrata
"Algomiella caliptrata" = Algomella calyptrata Val'kov and Karlova 1984 | |
Algomella calyptrata | |
"Algomella calyptrata n. gen. n. sp." = Algomella calyptrata
"Algomella calyptrata n. gen. n. sp." = Algomella calyptrata Val'kov and Karlova 1984 | |
Helcionelloida | |
Latouchella sp. Cobbold 1921 | |
Igorella sp. Rozanov et al. 1969
Helcionella sp. Grabau and Shimer 1909 | |
Purella antiqua | |
Purella antiqua KiƦr 1916 |