Where: Yakutiya, Russian Federation (66.4° N, 112.3° E: paleocoordinates 19.3° S, 8.9° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Lapworthella tortuosa small shelly zone, 2 Member (Pestrotsvet Formation), Tommotian (525.5 - 521.0 Ma)

• Dokidocyathus regularis archaeocyath zone

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified, glauconitic, red, argillaceous, sandy limestone

Size classes: mesofossils, microfossils

Preservation: replaced with phosphate

Collection methods: bulk,

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 96391: authorized by Pete Wagner, entered by Pete Wagner on 04.06.2010

Creative Commons license: CC BY (attribution)