Maotianshan, unit M3: Atdabanian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Hexactinellida - Reticulosa - Protospongiidae
Quadrolaminiella crassa n. sp. Chen et al. 1990
Chen et al. 1990
Quadrolaminiella diagonalis n. gen., n. sp. Chen et al. 1990
Chen et al. 1990
Bradoriida
Acanthomeridion serratum Hou et al. 1989
unclassified
Almenia spinosa n. gen., n. sp. Hou and Bergström 1997
Megacheira - Leanchoiliida - Leanchoiliidae
Leanchoilia illecebrosa (Hou 1987)
Canadaspidida - Canadaspididae
Canadaspis laevigata (Hou and Bergström 1991)
Fuxianhuiida - Fuxianhuiidae
Fuxianhuia protensa Hou 1987
unclassified
Retifacies abnormalis Hou et al. 1989
Nektaspidida - Naraoiidae
Naraoia spinosa Zhang and Hou 1985
Naraoia longicaudata Zhang and Hou 1985
Nektaspidida
Xandarella spectaculum Hou et al. 1991
see common names

Geography
Country:China State/province:Yunnan
Coordinates: 24.7° North, 103.0° East (view map)
Paleocoordinates:35.0° North, 160.7° East
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 - 515.6 m.y. ago
Stratigraphy
Formation:Qiongzhusi Member:Yuanshan
Local section:Maotianshan Local bed:M3
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: lower Eoredlichia trilobite zone
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:96403
Authorizer:W. Kiessling Enterer:U. Merkel
Modifier:U. Merkel Research group:marine invertebrate
Created:2010-06-07 03:46:15 Last modified:2010-06-07 06:46:48
Access level:the public Released:2010-06-07 03:46:15
Creative Commons license:CC BY
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]

Secondary references:

38856 J. Y. Chen, X. G. Hou, and G. X. Li. 1990. New Lower Cambrian demosponges - Quadrolaminiella gen. nov. from Chengjiang, Yunnan. Acta Palaeontologica Sinica 29(4):402-414 [W. Kiessling/U. Merkel]