Jianbaobaoshan, unit Dj1: Atdabanian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Megacheira - Leanchoiliida - Leanchoiliidae
Artiopoda
Retifacies abnormalis Hou et al. 1989
Artiopoda - Helmetiida - Helmetiidae
Kuamaia lata Hou 1987
Artiopoda
Saperion glumaceum Hou et al. 1991
Artiopoda - Nektaspidida - Naraoiidae
Naraoia longicaudata Zhang and Hou 1985
Naraoia spinosa Zhang and Hou 1985
see common names

Geography
Country:China State/province:Yunnan
Coordinates: 24.6° North, 103.0° East (view map)
Paleocoordinates:3.6° North, 74.1° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Cambrian Epoch: Series 2
Stage: Stage 3 10 m.y. bin: Cambrian 2
Key time interval: Atdabanian
Age range of interval: 521 - 516 m.y. ago
Stratigraphy
Formation:Qiongzhusi Member:Yuanshan
Local section:Jianbaobaoshan Local bed:Dj1
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: lower Eoredlichia trilobite zone, Dj1 corresponds to unit M2 of Maotianshan
Lithology and environment
Primary lithology: lithified mudstone
Lithology description: soft mudstone
Environment:marginal marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Also known as:Chengjiang fauna
Database number:96406
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2010-06-07 04:44:15 Last modified:2025-02-22 15:12:02
Access level:the public Released:2010-06-07 04:44:15
Creative Commons license:CC0
Reference information

Primary reference:
32720. X. Hou and J. Bergström. 1997. Arthropods of the Lower Cambrian Chengjiang fauna, southwest China. Fossils & Strata 45:1-116 [W. Kiessling/W. Kiessling]