Platonovskaya Fm (Cambrian of Russian Federation)

Where: Russian Federation (65.8° N, 88.0° E: paleocoordinates 26.0° S, 2.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Platonovskaya Formation, Nemakit-Daldynian (538.8 - 525.5 Ma)

• STRATIGRAPHIC RELATIONS: From the Platonovskaya Fm, which unconformably overlies the Burovaya Fm, and is overlain by the Kostino Fm. AGE: Nemakit-Daldynian, on the basis of biostrtatigraphy. STRATIGRAPHIC POSITION: List is representative of formation.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified dolomite

• SPECIFIC LITHOLOGY: Dolomite with stromatolite mounds, low-relief stromatolites, collapse breccia, and dolomite rip-ups. LITHIFICATION: Lithified, on the basis of facies description.

Size class: macrofossils

Preservation: mold/impression, trace, replaced with pyrite

Reposited in the MCZ

• COLLECTOR: Bartley et al. REPOSITORY: Not stated in text, but presumably Harvard University.

Primary reference: J. K. Bartley, M. Pope, A. H. Knoll, M. A. Semikhatov, and P. Y. Petrov. 1998. A Vendian–Cambrian boundary succession from the northwestern margin of the Siberian Platform: stratigraphy, palaeontology, chemostratigraphy and correlation. Geological Magazine 135(4):473-494 [A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 90087: authorized by Austin Hendy, entered by Austin Hendy on 07.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to taxa casually mentioned in text. NOMENCLATURE: Not an authoritative publication, but with apparently modern nomenclature.
 Sabelliditida - Sabelliditidae
Paleolina evenkiana Sokolov 1965
 Ichnofossils -
Palaeophycus sp. Hall 1847
or Teichichnus sp.
Palaeophycus cf. tubularis Hall 1847
also comparable to Planolites sp.