Paibi section, bed 21: Guzhangian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Agnostida - Ammagnostidae
Ammagnostus wangcunensis Peng and Robison 2000
Agnostida - Diplagnostidae
Linguagnostus kjerulfi (Brogger 1878)
Diplagnostus planicauda (Angelin 1851)
Trilobita - Ptychopariida - Lisaniidae
Baojingia tungrenensis
Peng et al. 2004
synonym of Eoshengia
Trilobita - Ptychopariida - Papyriaspididae
Pianaspis sinensis (Yang 1978)
Peng et al. 2004
Trilobita - Lichida - Damesellidae
Parablackwelderia cf. huabeiensis (Zhang 1983)
Peng et al. 2004
see common names

Geography
Country:China State/province:Hunan
Coordinates: 28.4° North, 109.5° East (view map)
Paleocoordinates:24.0° North, 150.8° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Cambrian Epoch:Miaolingian
Stage:Guzhangian 10 m.y. bin:Cambrian 4
Key time interval:Guzhangian Trilobite zone: Lejopyge laevigata
Age range of interval:500.50000 - 497.00000 m.y. ago
Stratigraphy
Formation:Huaqiao
Local section:Paibi Local bed:21
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: bed 21: 189-199 m, Pianaspis sinensis polymerid trilobite zone
Lithology and environment
Primary lithology: lithified packstone
Secondary lithology:dolomitic lithified "limestone"
Lithology description: dark-gray, thin-bedded packstone, intercalated with dark-gray, thin-bedded, dolomitic limestone; with a layer of light-gray, medium-bedded grainstone, and a layer of medium gray, thin-bedded limestone breccia
Environment:slope
Geology comments: Jiangnan Slope Belt, lower slope environments with sediment-gravity flows
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:good
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:49171
Authorizer:A. Hendy, W. Kiessling Enterer:A. Hendy, U. Merkel
Modifier:U. Merkel Research group:marine invertebrate
Created:2005-04-10 13:17:31 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2008-04-10 13:17:31
Creative Commons license:CC BY
Reference information

Primary reference:
13139. S. Peng and R. A. Robison. 2000. Agnostid biostratigraphy across the Middle-Upper Cambrian boundary in Hunan, China. Journal of Paleontology Memoir 53 [A. Miller/A. Hendy/A. Hendy]

Secondary references:

35679 S. Peng, L. E. Babcock, and H. Lin. 2001. Illustrations of polymeroid trilobites from the Huaqiao Formation (Middle-Upper Cambrian), Paibi and Wangcun sections, northwestern Hunan, China. Palaeoworld 13:99-122 [W. Kiessling/U. Merkel]
40918 S. Peng, L. E. Babcock, and H. Lin. 2004. Corynexochida, Lichida and Asaphida. Polymerid trilobites from the Cambrian of northwestern Hunan, China, Volume 1 1-333 [W. Kiessling/U. Merkel/M. Uhen]