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 (520.0 - 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

Megacheira
 Fortiforcipida - Fortiforcipidae
Fortiforceps foliosa n. gen. n. sp.
Fortiforceps foliosa n. gen. n. sp. Hou and Bergström 1997
Leanchoilia
  -
 Bradoriida -
Acanthomeridion serratum Hou et al. 1989
Trilobita
 Redlichiida - Redlichiidae
Kuanyangia sp. Hupe 1953 trilobite
Crustacea
 Canadaspidida - Canadaspididae
Canadaspis laevigata Hou and Bergström 1991
 Waptiida - Waptiidae
Sinoburius lunaris
  -
Sinoburius lunaris Hou et al. 1991
Artiopoda
 Conciliterga -
Kuamaia muricata n. sp. Hou and Bergström 1997 artiopod
Kuamaia lata Hou 1987 artiopod
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
Retifacies abnormalis
  -
Retifacies abnormalis Hou et al. 1989
 Fuxianhuiida - Fuxianhuiidae
Rhombicalvaria acantha
  -
 Nektaspida -
Naraoia longicaudata Zhang and Hou 1985
Naraoia spinosa Zhang and Hou 1985
Parvulonoda dubia
  -
Parvulonoda dubia n. gen. n. sp.2
Parvulonoda dubia n. gen. n. sp.2 Rigby and Hou 1995
Demospongea
 Protomonaxonida - Leptomitidae
Paraleptomitella globula n. sp.1 Chen et al. 1989 demosponge
Paraleptomitella dictyodroma n. gen. n. sp.1 Chen et al. 1989 demosponge
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
 Protomonaxonida - Choiidae
Choiaella radiata2 Rigby and Hou 1995 demosponge
Hexactinellida
 Reticulosa - Protospongiidae
Saetaspongia densa2 Mehl and Reitner 1993 glass sponge