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)