Also known as Was: Gastropoda of Siberia, Locality (2) - Aldan R., Ulakhan-Sulugur Creek - Layer 12
Where: Yakutia, Russian Federation (58.8° N, 127.0° E)
• Paleocoordinates: 5.6° N, 74.3° W (Wright 2013)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Aldanocyathus sunnaginicus other zone, Pestrotsvet Formation, Tommotian (525.5 - 521.0 Ma)
• Lower Tommotian; zone, Layer 12
• bed-level stratigraphic resolution
Environment/lithology: reef, buildup or bioherm; glauconitic, gray, green limestone and claystone
Size classes: mesofossils, microfossils
Preservation: cast
Collection methods: bulk, chemical,
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 45849: authorized by Martin Aberhan, entered by Sabine Nürnberg on 10.12.2004, edited by Pete Wagner
Creative Commons license: CC0 (CC0)
Taxonomic list
Helcionelloida | |
Bemella septata Rozanov and Missarzhevsky 1966
Bemella parula Rozanov et al. 1969
Bemella jacutica Rozanov and Missarzhevsky 1966 | |
"Aldanella rozanovi" = Aldanella attleborensis
"Aldanella rozanovi" = Aldanella attleborensis Shaler and Foerste 1888 | |
Orthothecimorpha | |
"Coleolella billingsi" = Spinulitheca billingsi
"Coleolella billingsi" = Spinulitheca billingsi Syssoiev 1962 | |
Hyolitha | |
Turcutheca annae Syssoiev 1959
Turcutheca rugata Syssoiev 1959
Turcutheca crasseocochlia Syssoiev 1962 | |
Allatheca sp. Rozanov et al. 1969 | |
"Turcutheca cotuiensis" = Khetatheca cotuiensis
"Turcutheca cotuiensis" = Khetatheca cotuiensis Syssoiev 1959 | |
"Edgetheca aldanica" = Conotheca mammilata Rozanov et al. 1969
Laratheca nana Rozanov et al. 1969
Circotheca sp. Syssoiev 1958 | |
Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966
Hyolithellus tenuis Rozanov and Missarzhevsky 1966 | |
Torellella curva Rozanov and Missarzhevsky 1966 | |
Coeloscleritophora | |
Chancelloria sp. Walcott 1920 | |
Coleolus | |
Coleoloides | |
Scyphozoa | |
Cambrotubulus decurvatus Rozanov et al. 1969 jellyfish
Tiksitheca korobkovi jellyfish
Tiksitheca licis Rozanov et al. 1969 jellyfish |