M405/190. Dvortsy; Tommotion Stratotype: Tommotian, Russian Federation

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Archaeocyatha - Capsulocyathida - Coscinocyathidae
Coscinocyathus rojkovi
Archaeocyatha - Archaeocyathida - Loculicyathidae
Robustocyathus robustus (Vologdin 1937)
recombined as Cambrocyathellus robustus
Archaeocyatha - Archaeocyathida - Dictyocyathidae
Dictyocyathus translucidus
Orthothecimorpha - Circothecida
Coleolella billingsi (Syssoiev 1962)
recombined as Spinulitheca billingsi
Orthothecida
Turcutheca crasseocochlia (Syssoiev 1962)
Turcutheca annae (Syssoiev 1959)
Orthothecida - Allathecidae
Allatheca corrugata Rozanov et al. 1969
Egdetheca aldanica
synonym of Exilitheca
Tommotiida - Tommotiidae
Camena kozlowskii Rozanov and Missarzhevsky 1966
recombined as Camenella kozlowskii
Camenella garbowskae Rozanov and Missarzhevsky 1966
recombined as Camenella admiranda
Helcionelloida - Helcionellida - Helcionellidae
Latouchella korobkovi (Vostokova 1962)
Zhegallo 1983
original and current combination Oelandiella korobkovi
Igorella monstrosa Rozanov et al. 1969
Zhegallo 1983
Bemella jacutica (Rozanov and Missarzhevsky 1966)
Zhegallo 1983
Helcionelloida - Helcionellida - Stenothecidae
Anabarella indecora Rozanov et al. 1969
Zhegallo 1983
recombined as Mellopegma indecora
Helcionelloida - Pelagiellida - Aldanellidae
Aldanella rozanovi Rozanov et al. 1969
Zhegallo 1983
synonym of Aldanella attleborensis
Hyolithelminthida - Torellellidae
Torellella lentiformis (Syssoiev 1962)
Hyolithelminthida - Hyolithellidae
Hyolithellus valdimirovae
Hyolithellus tenuis Rozanov and Missarzhevsky 1966
Camenida - Camenidae
Camena plana
see common names

Geography
Country:Russian Federation State/province:Yakutia
Coordinates: 58.8° North, 128.0° East (view map)
Paleocoordinates:11.0° South, 15.5° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Cambrian Epoch:Terreneuvian
Stage:Stage 2 10 m.y. bin:Cambrian 2
Key time interval:Tommotian Zone: Lapworthella tortuosa
Age range of interval:525.50000 - 521.00000 m.y. ago
Stratigraphy
Formation:Pestrotsvet Member:2
Local section:M405 Local bed:190 m
Stratigraphic resolution:bed
Stratigraphy comments: Dokidocyathus regularis zone (above A. sunnaginicus zone), Layer 16
Lithology and environment
Primary lithology:glauconitic,red "limestone"
Secondary lithology: claystone
Lithology description: Intensive dark-colored, crimson red-colored, brick red, hard clayey limestone with glauconite (Rosanov et al.).
Environment:deep subtidal shelf
Geology comments: From Zhegallo et al. (1983).
Taphonomy
Modes of preservation:body,cast
Size of fossils:mesofossils,microfossils
Collection methods and comments
Collection methods:bulk,chemical,field collection
Reason for describing collection:taxonomic analysis
Metadata
Also known as:Gastropoda of Siberia, Locality (1) - Aldan River, Dvortsy - Layer 16
Database number:45850
Authorizer:M. Aberhan, P. Wagner Enterer:S. Nurnberg, P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2004-12-10 01:21:06 Last modified:2010-06-06 13:24:57
Access level:the public Released:2004-12-10 01:21:06
Creative Commons license:CC BY
Reference information

Primary reference:
13330. 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]

Secondary references:

121971% E. A. Zhegallo. 1983. Yarusnoye rasuchleneniye nizhnego kembriya Sibiri, Atlas Okamenelostey, Glava Klass Gastropoda. Lower Cambrian stage subdivision of the Siberia, Atlas of Fossils, Chapter Gastropoda. Trudy Instituta Geologii i Geofiziki (Novosibirsk) 558:96-100 [M. Aberhan/S. Nurnberg/O. Alfaro]