Yurtus VI - [Yurtus Fm]: Nemakit-Daldynian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Yurtusia uniformis n. gen., n. sp.
Heliosphaeridium ampliatum
Comasphaeridium annulare
Megathrix longus
Hormogoneae - Oscillatoriales - Oscillatoriaceae
Cyanonema majus n. sp.
Oscillatoriopsis longa
Hormogoneae
Siphonophycus robustum (Schopf 1968)
Coccogoneae - Chroococcales - Chroococcaceae
Archaeophycus yunnanensis
see common names

Geography
Country:China State/province:Xinjiang
Coordinates: 40.5° North, 79.1° East (view map)
Paleocoordinates:7.6° South, 133.1° East
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Cambrian Epoch:Terreneuvian
10 m.y. bin:Cambrian 1-2
Key time interval:Nemakit-Daldynian
Age range of interval:538.80000 - 525.50000 m.y. ago
Stratigraphy
Formation:Yurtus
Stratigraphic resolution:group of beds
Stratigraphy comments: lower part of the formation (YTS-52, YTS-57, YTS-58)
Lithology and environment
Primary lithology: lithified chert
Secondary lithology: lithified phosphorite
Environment:shallow subtidal indet.
Taphonomy
Size of fossils:microfossils
Collection methods and comments
Collection methods:peel or thin section,field collection
Reason for describing collection:taxonomic analysis
Metadata
Also known as:YTS-52, YTS-57, YTS-58
Database number:85502
Authorizer:W. Kiessling Enterer:U. Merkel
Modifier:A. Hendy Research group:micropaleontology
Subset of collection #:6814
Created:2009-01-05 01:59:07 Last modified:2009-03-16 00:19:58
Access level:authorizer only Released:2010-01-08 10:39:56
Creative Commons license:CC BY
Reference information

Primary reference:
28899. L. Dong, S. Xiao, B. Shen, C. Zhou, G. Li and J. Yao. 2009. Basal Cambrian microfossils from the Yangtze Gorges area (south China) and the Aksu area (Tarim Block, northwestern China). Journal of Paleontology 83(1):30-44 [W. Kiessling/U. Merkel]

Secondary references:

29416 S. Conway Morris and A. J. Chapman. 1997. Lower Cambrian Halkieriids and other coeloscleritomorphs from Aksu-Wushi, Xinjiang, China. Journal of Paleontology 71(1):6-22 [A. Hendy/A. Hendy/A. Hendy]