Where: Yakutiya, Russian Federation (71.0° N, 102.0° E: paleocoordinates 24.8° S, 6.5° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Nochoroicyathus sunnaginicus zone, Koriliam Member (Medvezhyn Formation), Tommotian (525.5 - 521.0 Ma)
• Kouchinsky & Bengston (2002) suggest Medvezhyn formation. Rowland et al. imply Krasnoporog formation.
• group of beds-level stratigraphic resolution
Environment/lithology: lithified, gray, green, red limestone
Size class: microfossils
Collection methods: Full description in Vostokova 1962, Rozonav et al. 1968 p. 45
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 49687: authorized by Pete Wagner, entered by Pete Wagner on 23.04.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
| Scyphozoa | |
"Anabarites tripartitus" = Selindeochrea tripartita, Cambrotubulus decurvatus, "Kugdatheca voluta" = Anabarites voluta, Anabarites tristichus
"Anabarites tripartitus" = Selindeochrea tripartita Rozanov et al. 1969 jellyfish
Cambrotubulus decurvatus Rozanov et al. 1969 jellyfish
"Kugdatheca voluta" = Anabarites voluta Rozanov et al. 1969 jellyfish
Anabarites tristichus Rozanov et al. 1969 jellyfish | |
| Hyolitha | |
|
Turcutheca annae Syssoiev 1959
Turcutheca rugata Syssoiev 1959 | |
| Helcionelloida | |
|
Aldanella sp. Vostokova 1962 | |