Also known as Isit Village, Nokhoroy Unit, Tommotian Stage, Yakutia - Grigoryeva et. al 1988
Where: Yakutia, Russian Federation (60.8° N, 125.3° E: paleocoordinates 13.1° S, 14.1° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Lapworthella bella small shelly zone, 9 Member (Pestrotsvet Formation), Tommotian (525.5 - 521.0 Ma)
• Nokhoroy Unit; Was Dokidocyathus regularis - Dokidocyathus lenaicus zone, but is Lapworthella bella subzone of D. regularis
• group of beds-level stratigraphic resolution
Environment/lithology: reef, buildup or bioherm; lithified, gray, green, red limestone
•
Size classes: mesofossils, microfossils
Preservation: original calcite, replaced with phosphate
Collection methods:
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 10067: authorized by Mark Patzkowsky, entered by Phil Borkow on 27.03.2001, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Helcionelloida | |
"Ginella sp." = Ilsanella
"Ginella sp." = Ilsanella Missarzhevsky 1981 | |
Brachiopoda | |
Camenella garbowskae, "Camena kozlowskii" = Camenella kozlowskii
Camenella garbowskae Rozanov and Missarzhevsky 1966
"Camena kozlowskii" = Camenella kozlowskii Rozanov and Missarzhevsky 1966 | |
Obolellata | |
Hyolitha | |
Burithes sp. Rozanov et al. 1969 | |
Conotheca mammilata Rozanov et al. 1969 | |
Doliutus sp. Rozanov et al. 1969 | |
Trapezotheca bicostata Rozanov et al. 1969 | |
Hyolithellus isiticus Rozanov et al. 1969 | |
Archaeocyatha | |
Archaeolynthus polaris archaeocyath sponge | |
Coscinocyathus rojkovi archaeocyath sponge | |
Nochoroicyathus mirabilis, Nochoroicyathus supervacuus, Nochoroicyathus ridiculus, Ajacicyathus tkatschenkoi, Ajacicyathus anabarensis, Ajacicyathus turbidus
Nochoroicyathus mirabilis archaeocyath sponge
Nochoroicyathus supervacuus archaeocyath sponge
Nochoroicyathus ridiculus archaeocyath sponge
Ajacicyathus tkatschenkoi archaeocyath sponge
Ajacicyathus anabarensis archaeocyath sponge
Ajacicyathus turbidus archaeocyath sponge | |
Tumulocyathus sp. archaeocyath sponge | |
Retecoscinus retetabulae archaeocyath sponge | |
Okulitchicyathus disciformis, Paranacyathus subartus, "Robustocyathus robustus" = Cambrocyathellus robustus
Okulitchicyathus disciformis archaeocyath sponge
Paranacyathus subartus archaeocyath sponge
"Robustocyathus robustus" = Cambrocyathellus robustus Vologdin 1937 archaeocyath sponge | |
Dictyocyathus translucidus archaeocyath sponge |