Where: Siberia, Russian Federation (71.0° N, 127.5° E: paleocoordinates 20.3° S, 15.1° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Judomia trilobite zone, 7 Member (Tyuser Formation), Atdabanian (521.0 - 516.0 Ma)

• Given as Middle Sub member by Skovsted; called Tyuserian formation in Rosanov et al. 1969 p. 37.

• group of beds-level stratigraphic resolution

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

Size classes: macrofossils, mesofossils, microfossils

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: general faunal/floral analysis

PaleoDB collection 56855: authorized by Pete Wagner, entered by Pete Wagner on 27.11.2005, edited by Sarah Tweedt

Creative Commons license: CC BY (attribution)