Where: Uchur-Maya, Russian Federation (58.8° N, 130.6° E: paleocoordinates 11.0° S, 16.9° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Aldanocyathus sunnaginicus - Dokidocyathus regularis other zone, Upper Member (Pestrotsvetnaya Formation), Tommotian (530.0 - 520.0 Ma)
• Total thickness of formation is 80m. The Pestrotsvetnaya Formation overlies the Yudoma Formation and is overlain by the Yukhta Formation;
•
•upper portion of Aldanocyathus sunnaginicus and lower part of the Dokidocyathus regularis
• formation-level stratigraphic resolution
Environment/lithology: lithified, red, argillaceous limestone and lithified, calcareous conglomerate
Size classes: mesofossils, microfossils
Preservation: cast
Collection methods: chemical,
• The author obtained the material from the Nagim geological party of the ""Dal'geologiya"" Producing Organization (PGO). All original holotypes are deposited at the Paleontological Institue, USSR Academy of Sciences (PIN) as collection No. 4245.
Primary reference: M. I. Barskova. 1987. New species of Lower Cambrian gastropods from the Uchur-Maya region. Paleontological Journal 21(2):121-125 [M. Patzkowsky/P. Borkow/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 99809: authorized by Pete Wagner, entered by Pete Wagner on 23.11.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Helcionelloida | |
"Aldanella attleborensis" = Aldanella attleborensis, "Aldanella uchurica" = Aldanella attleborensis
"Aldanella attleborensis" = Aldanella attleborensis Shaler and Foerste 1888
"Aldanella uchurica" = Aldanella attleborensis Shaler and Foerste 1888 | |
Igorella ungulata Rozanov et al. 1969
Anabarella plana Vostokova 1962 |