Xiaolantian, unit XL1: Atdabanian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Hexactinellida - Reticulosa - Protospongiidae
Triticispongia diagonata Steiner et al. 1993
Rigby and Hou 1995
Demospongiae - Protomonaxonida - Choiidae
Allantospongia mica n. gen., n. sp. Rigby and Hou 1995
Rigby and Hou 1995
Choiaella radiata n. gen., n. sp. Rigby and Hou 1995
Rigby and Hou 1995
Megacheira - Fortiforcipida - Fortiforcipidae
Fortiforceps foliosa 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
Fuxianhuiida - Chengjiangocarididae
Chengjiangocaris longiformis Hou and Bergström 1991
unclassified
Retifacies abnormalis Hou et al. 1989
Nektaspidida - Naraoiidae
Naraoia spinosa Zhang and Hou 1985
Naraoia longicaudata Zhang and Hou 1985
unclassified
Squamacula clypeata Hou and Bergström 1997
Kuamaia lata Hou 1987
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:Xiaolantian Local bed:XL1
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: lower Eoredlichia trilobite zone, XL1 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:96405
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2010-06-07 04:27:50 Last modified:2010-06-07 07:27:50
Access level:the public Released:2010-06-07 04:27:50
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:

38679 J. K. Rigby and X. G. Hou. 1995. Lower Cambrian demosponges and hexactinellid sponges from Yunnan, China. Journal of Paleontology 69(6):1009-1019 [W. Kiessling/U. Merkel]