Mafang, event mudstone: Nangaoian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Sicyphorus rara
13 specimens
Xiangguangia sinica
10 specimens
Allonina phrixothrix
9 specimens
Urokidia aequalis
7 specimens
Eldoniidae
Stellostomites eumorpha
127 specimens
synonym of Eldonia
Vetulicolida - Vetulicolata - Didazoonidae
Pomatrum ventralis Luo et al. 1999
2 specimens
Vetulicolida - Vetulicolidae
Vetulicola cuneata Hou 1987
8 specimens
Lingulata - Discinida - Disciniidae
Heliomedusa orienta Sun and Hou 1987
282 specimens
Lingulata - Lingulida - Lingulellotretidae
Lingulellotreta malongensis (Rong 1974)
12 specimens
Lingulata - Lingulida - Obolidae
Lingulella chengjiangensis Jin et al. 1993
230 specimens
recombined as Eoglossa chengjiangensis
Lingulata - Lingulida - Botsfordiidae
Diandongia pista Rong 1974
1883 specimens
Chileata
Longtancunella chengjiangensis Hou et al. 1999
7 specimens
Rhynchonellata - Orthida - Wangyuiidae
Wangyuia yunnanensis Jin 2004
43 specimens
unclassified
Phlogites longus Luo and Hu 1999
1 specimen
Hyolithida
Glossolites magnus
89 specimens
Hyolithida - Sulcavitidae
Ambrolinevitus platypluteus
2 specimens
Ambrolinevitus ventricosus Qian 1978
2 specimens
unclassified
Conicula striata Luo et al. 1999
2 specimens
Cotyledion tylodes Luo and Hu 1999
1 specimen
Hallucigenia fortis Hou and Bergström 1995
1 specimen
Microdictyon sinicum Chen et al. 1989
4 specimens
Paucipodia haikouensis Luo and Hu 1999
6 specimens
Cardiodictyon catenulum Hou et al. 1991
6 specimens
Luolishaniida
Facivermis yunnanicus Hou and Chen 1989
1 specimen
Luolishania longicruris Hou and Chen 1989
10 specimens
unclassified
Onychodictyon ferox Hou et al. 1991
11 specimens
Parvancorinidae
Primicaris lavaformis (Zhang et al. 2003)
39 specimens
original and current combination Primicaris larvaformis
unclassified
Squamacula clypeata Hou and Bergström 1997
1 specimen
Kuamaia lata Hou 1987
5 specimens
Saperion glumaceum Hou et al. 1991
1 specimen
Trilobita - Redlichiida - Yunnanocephalidae
Yunnanocephalus yunnanensis (Mansuy 1912)
18 specimens
Trilobita - Redlichiida - Redlichiidae
Kuanyangia pustulosa (Lu 1941)
1 specimen
Eoredlichia intermedia (Lu 1940)
178 specimens
recombined as Eoredlichia intermediata
unclassified
Retifacies abnormalis Hou et al. 1989
6 specimens
Nektaspidida - Naraoiidae
Naraoia longicaudata Zhang and Hou 1985
391 specimens
Naraoia spinosa Zhang and Hou 1985
485 specimens
Nektaspidida
Xandarella spectaculum Hou et al. 1991
6 specimens
Cindarella eucalla Chen et al. 1996
7 specimens
Radiodonta - Amplectobeluidae
Amplectobelua symbrachiata Hou et al. 1995
41 specimens
Radiodonta - Anomalocarididae
Parapeytoia yunnanensis Hou et al. 1995
1 specimen
Anomalocaris saron Hou et al. 1995
17 specimens
Fuxianhuiida - Chengjiangocarididae
Chengjiangocaris longiformis Hou and Bergström 1991
1 specimen
Fuxianhuiida - Fuxianhuiidae
Fuxianhuia protensa Hou 1987
27 specimens
Megacheira - Leanchoiliida - Leanchoiliidae
Leanchoilia illecebrosa (Hou 1987)
832 specimens
Megacheira - Fortiforcipida - Fortiforcipidae
Fortiforceps foliosa Hou and Bergström 1997
2 specimens
Isoxyida - Isoxyidae
Isoxys curvirostratus Vannier and Chen 2000
9 specimens
Isoxys auritus Jiang 1982
130 specimens
Isoxys paradoxus Hou 1987
10 specimens
unclassified
? Branchiocaris yunnanensis Hou 1987
42 specimens
Ercaicunia multinodosa Luo et al. 1999
21 specimens
Canadaspidida - Canadaspididae
Canadaspis laevigata (Hou and Bergström 1991)
22 specimens
Waptiida - Waptiidae
Waptia ovata Lee 1975
85 specimens
Bradoriida
Kunmingella douvillei Mansuy 1912
1962 specimens
Acanthomeridion serratum Hou et al. 1989
1 specimen
Malongella bituberculata Chang 1974
1 specimen
Combinivalvula chengjiangensis Hou 1987
7 specimens
unclassified
Pseudoiulia cambriensis Hou and Bergström 1998
3 specimens
Shankouia zhenghei Chen et al. 2004
1 specimen
Jianfengia multisegmentalis Hou 1987
1 specimen
Odaraiida - Pectocariidae
Pectocaris spatiosa Hou 1999
1 specimen
Priapulidae
Xiaoheiqingella peculiaris Hu 2002
1 specimen
unclassified
Corynetis brevis Luo and Hu 1999
1 specimen
Palaeopriapulites parvus Hou et al. 1999
8 specimens
Cricocosmiidae
Cricocosmia jinningensis Hou and Sun 1988
1958 specimens
Palaeoscolecida - Cricocosmida - Palaeoscolecidae
Mafangscolex sinensis Hou and Sun 1988
674 specimens
unclassified
Archotuba conoidalis Hou et al. 1999
19 specimens
Paraselkirkia jinningensis Hou et al. 1999
13 specimens
Dinomischus isolatus Chen et al. 1989
1 specimen
Nectocarididae
Petalilium latus Luo and Hu 1999
1 specimen
Hexactinellida - Reticulosa - Protospongiidae
Saetaspongia densa Mehl and Reitner 1993
16 specimens
Demospongiae - Protomonaxonida - Hazeliidae
Hazelia sp. Walcott 1920
42 specimens
Demospongiae - Protomonaxonida - Leptomitidae
Leptomitella conica Chen et al. 1989
7 specimens
Leptomitus teretiusculus Chen et al. 1989
21 specimens
Paraleptomitella globula Chen et al. 1989
1 specimen
Paraleptomitella dictyodroma Chen et al. 1989
15 specimens
Demospongiae - Protomonaxonida - Halichondritidae
Halichondrites sp. Walcott 1920
6 specimens
Demospongiae - Protomonaxonida - Choiidae
Choiaella radiata Rigby and Hou 1995
5 specimens
unclassified
Haikoucaris ercaiensis Chen et al. 2004
6 specimens
Archisaccophyllia kunmingensis Hou et al. 2005
14 specimens
Heteromorphus confusa Chen 2004
1 specimen
Beidazoon venustum Shu 2005
3 specimens
see common names

Geography
Country:China State/province:Yunnan County:Haikou
Coordinates: 24.8° North, 102.6° East (view map)
Paleocoordinates:34.5° North, 159.7° East
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Cambrian Epoch:Series 2
Stage:Stage 3 10 m.y. bin:Cambrian 2
Key time interval:Nangaoian Trilobite zone: Eoredlichia-Wutingaspis
Age range of interval:521.00000 - 514.00000 m.y. ago
Stratigraphy
Formation:Yu'anshan Member:Maotianshan
Stratigraphic resolution:group of beds
Stratigraphy comments: Qiongzhusian/Chiungchussuan = Nangaoian = Cambrian stage 3
Lithology and environment
Primary lithology: lithified mudstone
Lithology description: various event mudstone layers
Environment:marine indet.
Taphonomy
Modes of preservation:body,cast,mold/impression
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:bulk,field collection
Reason for describing collection:paleoecologic analysis
Metadata
Also known as:Chengjiang biota
Database number:132330
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2012-08-13 23:19:08 Last modified:2012-08-13 08:19:08
Access level:authorizer only Released:2015-08-13 23:19:08
Creative Commons license:CC BY
Reference information

Primary reference:
42578. F. C. Zhao, S. X. Hu, J. B. Caron, M. Y. Zhu, Z. J. Yin and M. Lu. 2012. Spatial variation in the diversity and composition of the Lower Cambrian (Series 2, Stage 3) Chengjiang Biota, Southwest China. Palaeogeography, Palaeoclimatology, Palaeoecology 346/347:54-65 [W. Kiessling/U. Merkel]