Mafang, event mudstone (Cambrian of China)

Also known as Chengjiang biota

Where: Yunnan, China (24.8° N, 102.6° E: paleocoordinates 34.5° N, 159.7° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Eoredlichia-Wutingaspis trilobite zone, Maotianshan Member (Yu'anshan Formation), Nangaoian (521.0 - 514.0 Ma)

• Qiongzhusian/Chiungchussuan = Nangaoian = Cambrian stage 3

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified mudstone

• various event mudstone layers

Size classes: macrofossils, mesofossils

Preservation: cast, mold/impression

Collection methods: bulk,

Primary reference: 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]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 132330: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.08.2012, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Dinomischus
  - Dinomischidae
Dinomischus isolatus Chen et al. 1989
Hexactinellida
 Reticulosa - Protospongiidae
Saetaspongia densa Mehl and Reitner 1993 glass sponge
Demospongiae
 Protomonaxonida - Leptomitidae
Leptomitus teretiusculus Chen et al. 1989 demosponge
Leptomitella conica Chen et al. 1989 demosponge
Paraleptomitella dictyodroma Chen et al. 1989 demosponge
Paraleptomitella globula Chen et al. 1989 demosponge
 Protomonaxonida - Hazeliidae
Hazelia sp. Walcott 1920 demosponge
 Protomonaxonida - Choiidae
Choiaella radiata Rigby and Hou 1995 demosponge
 Protomonaxonida - Halichondritidae
Halichondrites sp. Walcott 1920 demosponge
Nectocaris
  - Nectocarididae
Petalilium latus Luo and Hu 1999
Hyolitha
 Hyolithida -
 Hyolithida - Sulcavitidae
 Lophophorata -
Conicula striata Luo et al. 1999
Phlogites longus Luo and Hu 1999
Chileata
  -
Rhynchonellata
 Orthida - Wangyuiidae
Lingulata
 Lingulida - Botsfordiidae
Diandongia pista Rong 1974
 Lingulida - Obolidae
"Lingulella chengjiangensis" = Eoglossa chengjiangensis
"Lingulella chengjiangensis" = Eoglossa chengjiangensis Jin et al. 1993
 Lingulida - Lingulellotretidae
Brachiopoda
  - Mickwitziidae
Heliomedusa orienta Sun and Hou 1987
Cotyledion tylodes
  -
Cotyledion tylodes Luo and Hu 1999
Priapulidae
  - Priapulidae
 Selkirkiimorpha - Selkirkiidae
"Paraselkirkia jinningensis" = Selkirkia sinica
"Paraselkirkia jinningensis" = Selkirkia sinica Luo and Hu 1999
Sicyophorus
  -
Palaeopriapulites parvus Hou et al. 1999
 Palaeoscolecidomorpha - Cricocosmiidae
Cricocosmia jinningensis Hou and Sun 1988
Palaeoscolecida
 Cricocosmida - Palaeoscolecidae
Mafangscolex sinensis Hou and Sun 1988
Corynetis brevis
  -
Corynetis brevis Luo and Hu 1999
Archotuba conoidalis
  -
Archotuba conoidalis Hou et al. 1999
Microdictyon
  -
Microdictyon sinicum Chen et al. 1989
Cardiodictyon
  -
Cardiodictyon catenulum Hou et al. 1991
 Hallucishaniids -
Hallucigenia fortis Hou and Bergström 1995
Xenusia
 Archonychophora - Paucipodiidae
Paucipodia haikouensis Luo and Hu 1999
Paucipodia inermis2 Chen et al. 1995
 Bilateria -
Onychodictyon ferox Hou et al. 1991
 Radiodonta - Tamisiocarididae
"Anomalocaris saron" = Houcaris saron
"Anomalocaris saron" = Houcaris saron Hou et al. 1995
 Radiodonta - Anomalocarididae
Parapeytoia yunnanensis Hou et al. 1995
 Radiodonta - Amplectobeluidae
Lyrarapax unguispinus1 Cong et al. 2014
Artiopoda
 Conciliterga -
Kuamaia lata Hou 1987
Saperion glumaceum Hou et al. 1991
  -
Retifacies abnormalis Hou et al. 1989
Trilobita
 Redlichiida - Yunnanocephalidae
Yunnanocephalus yunnanensis Mansuy 1912 trilobite
 Redlichiida - Redlichiidae
"Eoredlichia intermedia" = Eoredlichia intermediata, Kuanyangia pustulosa
"Eoredlichia intermedia" = Eoredlichia intermediata Lu 1940 trilobite
Kuanyangia pustulosa Lu 1941 trilobite
Artiopoda
  -
Squamacula clypeata Hou and Bergström 1997
 Nektaspidida - Naraoiidae
"Naraoia longicaudata" = Misszhouia longicaudata, Naraoia spinosa
"Naraoia longicaudata" = Misszhouia longicaudata Zhang and Hou 1985
Naraoia spinosa Zhang and Hou 1985
 Nektaspidida -
Cindarella eucalla Chen et al. 1996
Xandarella spectaculum Hou et al. 1991
Deuteropoda
 Hymenostraca -
Crustacea
 Waptiida - Waptiidae
Waptia ovata Lee 1975
 Canadaspidida - Canadaspididae
Canadaspis laevigata Hou and Bergström 1991
Deuteropoda
 Fuxianhuiida - Fuxianhuiidae
 Fuxianhuiida - Chengjiangocarididae
Chengjiangocaris longiformis Hou and Bergström 1991
 Isoxyida - Isoxyidae
Isoxys curvirostratus Vannier and Chen 2000
Isoxys paradoxus Hou 1987
Isoxys auritus Jiang 1982
Megacheira
 Leanchoiliida - Leanchoiliidae
 Fortiforcipida - Fortiforcipidae
Fortiforceps foliosa Hou and Bergström 1997
 Parvancorinomorpha - Parvancorinidae
Primicaris lavaformis Zhang et al. 2003
 Odaraiida - Pectocariidae
Pseudoiulia cambriensis
  -
Pseudoiulia cambriensis Hou and Bergström 1998
Jianfengia
  -
 Bradoriida -
Shankouia zhenghei
  -
Shankouia zhenghei Chen et al. 2004
Bilateria
 Luolishaniida -
Luolishania longicruris Hou and Chen 1989
Facivermis yunnanicus Hou and Chen 1989
 Bilateria - Eldoniidae
"Stellostomites eumorpha" = Eldonia
"Stellostomites eumorpha" = Eldonia
Vetulicolida
  - Vetulicolidae
 Vetulicolata - Didazoonidae
Pomatrum ventralis Luo et al. 1999
Haikoucaris ercaiensis
  -
Haikoucaris ercaiensis Chen et al. 2004
Archisaccophyllia kunmingensis
  -
Beidazoon venustum
  -
Heteromorphus confusa
  -