Shaiwa, unit 1: Changhsingian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Protozoa - Spumellaria - Oertlispongidae
? Paroertlispongus sp. Kozur and Mostler 1981
rare category
Copiellintra fontainei (Sashida 2000)
rare category
recombined as Paroertlispongus fontainei
Protozoa - Entactinaria - Entactiniidae
Hegleria mammilla (Sheng and Wang 1985)
common category
Klaengspongus spinosus Sashida 2000
abundant category
Copicyntra sp. Nazarov and Ormiston 1985
common category
Copicyntra ziyunensis Feng and Gu 2002
abundant category
recombined as Paracopicyntra ziyunensis
Protozoa - Latentifistularia - Cauletellidae
Triplanospongos dekkasensis (Noble and Renne 1990)
rare category
Ishigaum informal sp. 1 De Wever and Caridroit 1984
rare category
Ishigaum trifustis De Wever and Caridroit 1984
common category
Protozoa - Latentifistularia - Ormistonellidae
Nazarovella gracilis De Wever and Caridroit 1984
common category
Nazarovella inflata Sashida and Tonishi 1986
rare category
recombined as Quadriremis inflata
Protozoa - Latentifistularia
Gustefana obliqueannulata Kozur 1993
common category
see common names

Geography
Country:China State/province:Guizhou County:Ziyun
Coordinates: 25.6° North, 106.5° East (view map)
Paleocoordinates:5.4° North, 96.5° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Permian Epoch:Lopingian
Stage:Changhsingian 10 m.y. bin:Permian 4
Key time interval:Changhsingian
Age range of interval:254.17000 - 252.17000 m.y. ago
Stratigraphy
Formation:Qiaoma
Local section:Shaiwa Local bed:1
Local order:top to bottom
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: lithified chert
Secondary lithology: lithified cherty/siliceous mudstone
Lithology description: dark-gray medium-bedded chert with thin-bedded siliceous mudstone interbeds, 4.1 m thick
Environment:basinal (siliceous)
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Preservation of anatomical detail:good
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:95315
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:micropaleontology
Created:2010-04-12 04:46:14 Last modified:2010-04-12 07:46:14
Access level:the public Released:2010-04-12 04:46:14
Creative Commons license:CC BY
Reference information

Primary reference:

32433. Q. Feng and S. Gu. 2002. Uppermost Changxingian (Permian) radiolarian fauna from southern Guizhou, southwestern China. Journal of Paleontology 76(5):797-809 [W. Kiessling/U. Merkel]