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, 13 Member (Medvezhyn Formation), Tommotian (525.5 - 521.0 Ma)
• Listed as Ajacicyathus sunnaginicus-Tiksitheca licis zone
• bed-level stratigraphic resolution
Environment/lithology: glauconitic, brown, gray, green, red limestone
Size classes: macrofossils, mesofossils, microfossils
Collection methods: bulk, chemical, acetic, sieve,
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 56858: authorized by Pete Wagner, entered by Pete Wagner on 27.11.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Helcionelloida | |
"Aldanella cf. attleborensis" = Aldanella attleborensis, "Aldanella utchurica n. sp." = Aldanella attleborensis
"Aldanella cf. attleborensis" = Aldanella attleborensis Shaler and Foerste 1888 Aldanella ex. gr. attleborensis
"Aldanella utchurica n. sp." = Aldanella attleborensis Shaler and Foerste 1888 | |
Latouchella memorabilis Rozanov et al. 1969 | |
"Latouchella korobkovi" = Oelandiella korobkovi Vostokova 1962
Bemella jacutica Rozanov and Missarzhevsky 1966
Anabarella plana Vostokova 1962 | |
Hyolitha | |
Turcutheca crasseocochlia Syssoiev 1962
Turcutheca rugata Syssoiev 1959
Turcutheca annae Syssoiev 1959 | |
Scyphozoa | |
Cambrotubulus decurvatus Rozanov et al. 1969 jellyfish
Anabarites tristichus Rozanov et al. 1969 jellyfish | |
Fomitchella | |
Archaeocyatha | |
Archaeolynthus sp. Taylor 1910 archaeocyath sponge | |
Hyolithellus sp. Billings 1872 |