Mafang_Maf-b [Yuanshan Fm]: Atdabanian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mickwitziidae
Heliomedusa orienta Sun and Hou 1987
4 specimens
Lingulata - Lingulida - Obolidae
Lingulella chengjiangensis Jin et al. 1993
5 specimens
recombined as Eoglossa chengjiangensis
Lingulata - Lingulida - Lingulellotretidae
Lingulellotreta malongensis (Rong 1974)
64 specimens
unclassified
Cotyledion tylodes Luo and Hu 1999
1 specimen
Selkirkiimorpha - Selkirkiidae
Paraselkirkia sinica (Luo and Hu 1999)
3 specimens
original and current combination Selkirkia sinica
unclassified
Corynetis brevis Luo and Hu 1999
2 specimens
Priapulidae
Xiaoheiqingella peculiaris Hu 2002
1 specimen
unclassified
Sicyophorus rara Luo and Hu 1999
1 specimen
Palaeoscolecida - Cricocosmida - Palaeoscolecidae
Mafangscolex sinensis Hou and Sun 1988
2 specimens
Cricocosmiidae
Cricocosmia jinningensis Hou and Sun 1988
127 specimens
unclassified
Onychodictyon ferox Hou et al. 1991
1 specimen
Luolishaniida
Luolishania sp.
1 specimen
Facivermis yunnanicus Hou and Chen 1989
1 specimen
unclassified
Cardiodictyon catenulum Hou et al. 1991
1 specimen
Arthropoda indet. Latreille 1829
3 specimens
Megacheira - Leanchoiliida - Leanchoiliidae
Leanchoilia illecebrosa (Hou 1987)
8 specimens
Fuxianhuiida - Fuxianhuiidae
Fuxianhuia protensa Hou 1987
1 specimen
Isoxyida - Isoxyidae
Isoxys auritus Jiang 1982
1 specimen
Waptiida - Waptiidae
Chuandianella ovata (Li 1975)
1 specimen
Radiodonta - Amplectobeluidae
Amplectobelua symbrachiata Hou et al. 1995
1 specimen
Trilobita - Redlichiida - Redlichiidae
Eoredlichia intermedia (Lu 1940)
1 specimen
recombined as Eoredlichia intermediata
Nektaspidida
Xandarella spectaculum Hou et al. 1991
1 specimen
Nektaspidida - Naraoiidae
Naraoia longicaudata Zhang and Hou 1985
12 specimens
recombined as Misszhouia longicaudata
Bradoriida
Acanthomeridion serratum Hou et al. 1989
1 specimen
Kunmingella douvillei Mansuy 1912
6 specimens
Parvancorinidae
Primicaris larvaformis Zhang et al. 2003
3 specimens
Vetulicolida - Vetulicolidae
Vetulicola retangulata
1 specimen
unclassified
Cambrorhytium elongatum
10 specimens
Problematica indet. Andrews 1970
9 specimens
? Discoides abnormis Luo et al. 1999
2 specimens
see common names

Geography
Country:China State/province:Yunnan
Coordinates: 24.8° North, 102.6° East (view map)
Paleocoordinates:35.1° North, 161.1° East
Time
Period:Cambrian Epoch:Series 2
Stage:Stage 3 10 m.y. bin:Cambrian 2
Key time interval:Atdabanian Trilobite zone: Eoredlichia-Wutingaspis
Age range of interval:521.00000 - 515.60000 m.y. ago
Stratigraphy
Formation:Yuanshan Member:Maotianshan Sh
Stratigraphic resolution:member
Stratigraphy comments: 1 cm thick single-event mudstone
Lithology and environment
Primary lithology: mudstone
Environment:marine indet. Tectonic setting:passive margin
Taphonomy
Modes of preservation:body,mold/impression,soft parts
Lagerst�tten type:conservation
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:ichnofossils
Collection methods:selective quarrying,surface (float),surface (in situ),field collection
Reason for describing collection:paleoecologic analysis
Metadata
Also known as:Chengjiang biota
Database number:90151
Authorizer:A. Lin Enterer:A. Lin
Research group:marine invertebrate
Created:2009-07-09 08:55:39 Last modified:2009-07-09 11:55:39
Access level:the public Released:2009-07-09 08:55:39
Creative Commons license:CC BY
Reference information

Primary reference:
30233. S.-X. Hu. 2005. Taphonomy and Palaeoecology of the Early Cambrian Chengjiang Biota from Eastern Yunnan, China. Berliner Paläobiologische Abhandlungen 7:1-197 [A. Lin/A. Lin]