Chuanmu section, Bed 178a, Huaying Mountains: Changhsingian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Spiriferida - Ambocoeliidae
Crurithyris sp. George 1931
Rhynchonellata - Athyridida - Athyrididae
? Spirigerella sp. Waagen 1883
Rhynchonellata - Orthida - Schizophoriidae
Acosarina minuta (Abich 1878)
Strophomenata - Productida - Productellidae
Cathaysia orbicularis Liao 1980
Strophomenata - Productida
Spinomarginifera lopingensis (Kayser 1883)
Strophomenata - Strophomenida - Rugosochonetidae
Neochonetes (Huangichonetes) geniculatus Campi and Shi 2005
Neochonetes (Huangichonetes) substrophomenoides (Huang 1932)
Linshuichonetes flatus (Shen and Archbold 2002)
see common names

Geography
Country:China State/province:Sichuan
Coordinates: 30.2° North, 106.8° East (view map)
Paleocoordinates:9.1° North, 93.8° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Permian Epoch: Lopingian
Stage: Changhsingian 10 m.y. bin: Permian 4
Key time interval: Changhsingian Conodont zone:  Clarkina meishanensis
Age range of interval: 254.14 - 251.902 m.y. ago
Stratigraphy
Formation:Feixianguan
Local section:Chuanmu Local bed:178a
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: The basal 20 cm of the Feixianguan Formation; last bed of Permian, the Permian-Triassic boundary has been placed between Beds 178a and 178b. Conodonts not given from this section, but this is a post-extinction fauna correlative to C. meishanensis zone elsewhere.
Lithology and environment
Primary lithology: lithified argillaceous "limestone"
Includes fossils?Y
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Taxonomic list comments:Permian holdover taxa, small and relatively thin-shelled species
Metadata
Database number:60472
Authorizer:W. Kiessling Enterer:U. Merkel
Modifier:M. Clapham Research group:marine invertebrate
Created:2006-05-16 06:15:40 Last modified:2012-03-31 12:01:35
Access level:the public Released:2006-05-16 06:15:40
Creative Commons license:CC BY
Reference information

Primary reference:

17390. M. J. Campi and G. R. Shi. 2005. New Lopingian (Late Permian) rugosochonetid species from Sichuan, South China. Alcheringa 29(2):275-285 [W. Kiessling/U. Merkel]