Maotianshan, unit M2 (Cambrian of China)

Also known as Chengjiang fauna

Where: Yunnan, China (24.7° N, 103.0° E: paleocoordinates 35.0° N, 160.7° E)

• 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: CC BY (attribution)

Taxonomic list

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