PBDB Collection

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

Show authors, comments, and common names

Bradoriida -	Acanthomeridion serratum Acanthomeridion serratum Hou et al. 1989
Rhombicalvaria acantha
-	Rhombicalvaria acantha Rhombicalvaria acantha Hou 1987
Artiopoda
-	Squamacula clypeata n. gen. n. sp. Squamacula clypeata n. gen. n. sp. Hou and Bergström 1997
Conciliterga -	Kuamaia lata, Kuamaia muricata n. sp., Skioldia aldna n. gen. n. sp. Kuamaia lata Hou 1987 Kuamaia muricata n. sp. Hou and Bergström 1997 Skioldia aldna n. gen. n. sp. 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 -	Sinoburius lunaris Sinoburius lunaris Hou et al. 1991
Trilobita
Redlichiida - Redlichiidae	Kuanyangia sp. Kuanyangia sp. Hupe 1953 trilobite
Artiopoda
-	Retifacies abnormalis Retifacies abnormalis Hou et al. 1989
Crustacea
Waptiida - Waptiidae	Chuandianella ovata Chuandianella ovata Li 1975
Canadaspidida - Canadaspididae	Canadaspis laevigata Canadaspis laevigata Hou and Bergström 1991
Deuteropoda
Fuxianhuiida - Fuxianhuiidae	Fuxianhuia protensa Fuxianhuia protensa Hou 1987
Megacheira
Fortiforcipida - Fortiforcipidae	Fortiforceps foliosa n. gen. n. sp. Fortiforceps foliosa n. gen. n. sp. Hou and Bergström 1997
Leanchoiliida - Leanchoiliidae	Leanchoilia illecebrosa Leanchoilia illecebrosa Hou 1987
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 Saetaspongia densa² Mehl and Reitner 1993 glass sponge
Demospongiae
Protomonaxonida - Leptomitidae	Leptomitus teretiusculus n. sp.¹, Leptomitella confusa¹, Leptomitella conica n. sp.¹, Paraleptomitella dictyodroma n. gen. n. sp.¹, Paraleptomitella globula 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 dictyodroma n. gen. n. sp.¹ Chen et al. 1989 demosponge Paraleptomitella globula n. sp.¹ Chen et al. 1989 demosponge
Protomonaxonida - Choiidae	Choiaella radiata² Choiaella radiata² Rigby and Hou 1995 demosponge

¹Chen et al. 1989; ²Rigby and Hou 1995