Maotianshan, unit M2: Atdabanian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Parvulonoda dubia n. gen., n. sp. Rigby and Hou 1995
Rigby and Hou 1995
Hexactinellida - Reticulosa - Protospongiidae
Saetaspongia densa Mehl and Reitner 1993
Rigby and Hou 1995
Demospongiae - Protomonaxonida - Leptomitidae
Leptomitus teretiusculus n. sp. Chen et al. 1989
Chen et al. 1989
Leptomitella confusa Chen et al. 1989
Chen et al. 1989
Leptomitella conica n. sp. Chen et al. 1989
Chen et al. 1989
Paraleptomitella globula n. sp. Chen et al. 1989
Chen et al. 1989
Paraleptomitella dictyodroma n. gen., n. sp. Chen et al. 1989
Chen et al. 1989
Demospongiae - Protomonaxonida - Choiidae
Choiaella radiata Rigby and Hou 1995
Rigby and Hou 1995
unclassified
Rhombicalvaria acantha Hou 1987
Bradoriida
Acanthomeridion serratum Hou et al. 1989
Megacheira - Fortiforcipida - Fortiforcipidae
Fortiforceps foliosa n. gen., n. sp. Hou and Bergström 1997
Megacheira - Leanchoiliida - Leanchoiliidae
Leanchoilia illecebrosa (Hou 1987)
Waptiida - Waptiidae
Chuandianella ovata (Li 1975)
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
Sinoburius lunaris Hou et al. 1991
unclassified
Squamacula clypeata n. gen., n. sp. Hou and Bergström 1997
Kuamaia lata Hou 1987
Kuamaia muricata n. sp. Hou and Bergström 1997
Skioldia aldna n. gen., n. sp. Hou and Bergström 1997
Trilobita - Redlichiida - Redlichiidae
Kuanyangia sp. Hupe 1953
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:M2
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, 5 m thick
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:96402
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2010-06-07 02:47:31 Last modified:2010-06-07 05:47:31
Access level:the public Released:2010-06-07 02:47:31
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:

38854 J. Y. Chen, X. G. Hou, and H. Z. Lu. 1989. Lower Cambrian leptomitids (Demospongea), Chengjiang, Yunnan. Acta Palaeontologica Sinica 28(1):17-30 [W. Kiessling/U. Merkel]
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]