Where: Yakutiya, Russian Federation (66.4° N, 112.3° E)
• Paleocoordinates: 4.2° S, 71.6° W (Wright 2013)
• coordinate based on political unit
• local area-level geographic resolution
When: Lapworthella tortuosa small shelly zone, Khatyngian Member (Pestrotsvet Formation), Tommotian (525.5 - 521.0 Ma)
• Dokidocyathus regularis archaeocyath zone; "members" 1-2
• group of beds-level stratigraphic resolution
Environment/lithology: reef, buildup or bioherm; glauconitic, red, yellow, argillaceous 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: general faunal/floral analysis
PaleoDB collection 96251: authorized by Pete Wagner, entered by Pete Wagner on 30.05.2010
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Helcionelloida | |
Igorella monstrosa n. sp., Latouchella sp., Bemella malycanica, "Helcionella jacutica n. sp." = Bemella jacutica2
Igorella monstrosa n. sp. Rozanov et al. 1969
Latouchella sp. Cobbold 1921
Bemella malycanica Rozanov and Missarzhevsky 1966
"Helcionella jacutica n. sp." = Bemella jacutica2 Rozanov and Missarzhevsky 1966 | |
"Heraultia sibirica" = Watsonella crosbyi1 Grabau 1900
"Anabarella indecora" = Mellopegma indecora Rozanov et al. 1969 | |
"Aldanella rozanovi" = Aldanella attleborensis
"Aldanella rozanovi" = Aldanella attleborensis Shaler and Foerste 1888 | |
Hyolithomorpha | |
Yacutolituus fusiformis1 Missarzhevsky 1974 | |
Orthothecimorpha | |
"Coleolella billingsi" = Spinulitheca billingsi
"Coleolella billingsi" = Spinulitheca billingsi Syssoiev 1962 | |
Hyolitha | |
Burithes distortus Syssoiev 1962
Dorsolinevitus sp. Syssoiev 1958
Tuojdachithes costulatus Rozanov et al. 1969 | |
Microcornus simus1 Missarzhevsky 1974 | |
Korilithes sp. Rozanov et al. 1969 | |
Turcutheca annae Syssoiev 1959
Turcutheca rugata Syssoiev 1959
Turcutheca crasseocochlia Syssoiev 1962 | |
Allatheca corrugata Rozanov et al. 1969
Antiquatheca pauca1 Missarzhevsky 1974
"Egdetheca aldanica" = Exilitheca | |
Brachiopoda | |
"Camena kozlowskii" = Camenella kozlowskii, Camenella garbowskae, "Camena admiranda" = Camenella admiranda
"Camena kozlowskii" = Camenella kozlowskii Rozanov and Missarzhevsky 1966
Camenella garbowskae Rozanov and Missarzhevsky 1966
"Camena admiranda" = Camenella admiranda Rozanov and Missarzhevsky 1966 | |
Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966
Hyolithellus grandis Rozanov et al. 1969
Hyolithellus tenuis Rozanov and Missarzhevsky 1966 | |
Torellella lentiformis Syssoiev 1962 | |
Scyphozoa | |
Anabarites sp. Voronova and Missarzhevsky 1969 jellyfish | |
Archaeocyatha | |
Dictyocyathus translucidus archaeocyath sponge | |
Okulitchicyathus disciformis archaeocyath sponge
Paranacyathus tuberculatus archaeocyath sponge
Cambrocyathellus tschuranicus archaeocyath sponge | |
Coscinocyathus rojkovi archaeocyath sponge | |
Archaeolynthus polaris archaeocyath sponge | |
Dokidocyathus regularis archaeocyath sponge | |
Ajacicyathus tkatschenkoi archaeocyath sponge
Nochoroicyathus mirabilis archaeocyath sponge
Nochoroicyathus vulgaris archaeocyath sponge | |