Also known as Section 3 of Kouchinsky, et al., 2017

Where: Krasnoyarsk Krai, Russian Federation (70.6° N, 103.4° E: paleocoordinates 24.3° S, 6.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Nochoroicyathus sunnaginicus zone, Medvezhyn Formation, Tommotian (525.5 - 521.0 Ma)

• Kouchinsky & Bengston (2002) suggest Medvezhyn formation. Rowland et al. imply Krasnoporog formation. Kouchinsky, et al. (2017) places in Medvezhyn formation (Purella cristata biozone).

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, glauconitic, gray, green, red, argillaceous limestone

Size classes: mesofossils, microfossils

Preservation: cast, replaced with phosphate

Collection methods: chemical

• Full description in Rozonav et al. 1969 p. 46

Primary reference: A. Y. Rozanov, V. V. Missarzhevsky, N. A. Volkova, L. G. Voronova, I. N. Krylov, B.M. Keller, I. K. Korolyuk, K. Lendzion, R. Mikhnyar, N. G. Pykhova, and A. D. Sidorov. 1969. Tommotskiu jarus i problema nizhney granisty kembriya [The Tommotian Stage and the Cambrian lower Boundary problem]. Trudy Geoligske Institut Leningrad 206:1-379 [P. Wagner/P. Wagner/P. Novack-Gottshall]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96397: authorized by Pete Wagner, entered by Pete Wagner on 06.06.2010

Creative Commons license: CC BY (attribution)