Huayingshan Section Bed 10 (IIF204-209), Linshui County: Changhsingian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Boultoniidae
Palaeofusulina nana
Strophomenata - Productida - Lyttoniidae
Oldhamina squamosa Huang 1932
Rhynchonellata - Rhynchonellida - Pontisiidae
Pugnax pseudoutah Huang 1933
recombined as Prelissorhynchia pseudoutah
Rhynchonellata - Spiriferida - Elythidae
Squamularia inaequilateralis (Gemmellaro 1899)
recombined as Permophricodothyris inaequilateralis
see common names

Geography
Country:China State/province:Chongqing
Coordinates: 30.3° North, 106.9° East (view map)
Paleocoordinates:9.2° North, 93.7° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Permian Epoch:Lopingian
Stage:Changhsingian 10 m.y. bin:Permian 4
Key time interval:Changhsingian
Age range of interval:254.14000 - 251.90200 m.y. ago
Stratigraphy
Formation:Changxing
Stratigraphic resolution:group of beds
Stratigraphy comments: 18.21 m thick
Lithology and environment
Primary lithology:dolomitic,black,gray lithified cherty/siliceous "limestone"
Lithology description: Dark gray to black dolomitic limestone, upper part contains abundant chert nodules.
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:peel or thin section,field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:121023
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2011-11-25 06:13:13 Last modified:2013-11-25 13:02:06
Access level:the public Released:2011-11-25 06:13:13
Creative Commons license:CC BY
Reference information

Primary reference:
33766. J. Z. Yang and L. H. Lu. 1980. Upper Permian bryozoans from eastern Sichuan and western Guizhou. Acta Palaeontologica Sinica 19:461-474 [M. Clapham/M. Clapham]