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

• coordinate based on political unit

• local area-level geographic resolution

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

• specimens are located at the top of the Atdabanian Stage. Given as Tyuserian.

• bed-level stratigraphic resolution

Environment/lithology: marine; glauconitic, gray, green, red, argillaceous limestone

Size classes: mesofossils, microfossils

Preservation: cast

Collection methods: Collection consists of casts and shells of unknown composition. A considerable amount of the material studied was obtained from the samples of M. N. Korobov.

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 10115: authorized by Mark Patzkowsky, entered by Phil Borkow on 15.02.2001, edited by Pete Wagner

Creative Commons license: CC BY (attribution)