Maotianshan, unit M2 (Cambrian of China)

Also known as Chengjiang fauna

Where: Yunnan, China (24.7° N, 103.0° E)

• Paleocoordinates: 3.6° N, 74.1° E (Wright 2013)

• coordinate estimated from map

• small collection-level geographic resolution

When: Yuanshan Member (Qiongzhusi Formation), Atdabanian (521.0 - 516.0 Ma)

• lower Eoredlichia trilobite zone

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; lithified mudstone

• soft mudstone, 5 m thick

Size class: macrofossils

Primary reference: X. Hou and J. Bergström. 1997. Arthropods of the Lower Cambrian Chengjiang fauna, southwest China. Fossils & Strata 45:1-116 [W. Kiessling/W. Kiessling]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96402: authorized by Wolfgang Kiessling, entered by Uta Merkel on 07.06.2010

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Crustacea
 Canadaspidida - Canadaspididae
Canadaspis laevigata
Canadaspis laevigata Hou and Bergström 1991
 Waptiida - Waptiidae
Chuandianella ovata
 Bradoriida -
Acanthomeridion serratum
Acanthomeridion serratum Hou et al. 1989
Artiopoda
 Redlichiida - Redlichiidae
Kuanyangia sp.
Kuanyangia sp. Hupe 1953 trilobite
  -
Retifacies abnormalis
Retifacies abnormalis Hou et al. 1989 artiopod
 Helmetiida - Helmetiidae
Rhombicalvaria acantha, Kuamaia muricata n. sp., Kuamaia lata
Rhombicalvaria acantha Hou 1987 artiopod
Kuamaia muricata n. sp. Hou and Bergström 1997 artiopod
Kuamaia lata Hou 1987 artiopod
 Conciliterga -
Skioldia aldna n. gen. n. sp.
Skioldia aldna n. gen. n. sp. Hou and Bergström 1997 artiopod
  -
Squamacula clypeata n. gen. n. sp.
Squamacula clypeata n. gen. n. sp. Hou and Bergström 1997 artiopod
 Nektaspidida -
Sinoburius lunaris
Sinoburius lunaris Hou et al. 1991
 Nektaspidida - Naraoiidae
"Naraoia longicaudata" = Misszhouia longicaudata, Naraoia spinosa
"Naraoia longicaudata" = Misszhouia longicaudata Zhang and Hou 1985
Naraoia spinosa Zhang and Hou 1985
Megacheira
 Leanchoiliida - Leanchoiliidae
Leanchoilia illecebrosa
 Fortiforcipida - Fortiforcipidae
Fortiforceps foliosa n. gen. n. sp.
Fortiforceps foliosa n. gen. n. sp. Hou and Bergström 1997
Deuteropoda
 Fuxianhuiida - Fuxianhuiidae
Fuxianhuia protensa
Demospongiae
 Protomonaxonida - Choiidae
Choiaella radiata2
Choiaella radiata2 Rigby and Hou 1995 demosponge
 Protomonaxonida - Leptomitidae
Leptomitus teretiusculus n. sp.1, Leptomitella confusa1, Leptomitella conica n. sp.1, Paraleptomitella globula n. sp.1, Paraleptomitella dictyodroma n. gen. n. sp.1
Leptomitus teretiusculus n. sp.1 Chen et al. 1989 demosponge
Leptomitella confusa1 Chen et al. 1989 demosponge
Leptomitella conica n. sp.1 Chen et al. 1989 demosponge
Paraleptomitella globula n. sp.1 Chen et al. 1989 demosponge
Paraleptomitella dictyodroma n. gen. n. sp.1 Chen et al. 1989 demosponge
Hexactinellida
 Reticulosa - Protospongiidae
Saetaspongia densa2
Saetaspongia densa2 Mehl and Reitner 1993 glass sponge
Parvulonoda dubia
  -
Parvulonoda dubia n. gen. n. sp.2
Parvulonoda dubia n. gen. n. sp.2 Rigby and Hou 1995
1Chen et al. 1989; 2Rigby and Hou 1995