PBDB Collection

Maotianshan, unit M2: Atdabanian, China

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Hexactinellida - Reticulosa - Protospongiidae

	Saetaspongia densa Mehl and Reitner 1993	Rigby and Hou 1995
Demospongiae - Protomonaxonida - Choiidae

	Choiaella radiata Rigby and Hou 1995	Rigby and Hou 1995
Demospongiae - Protomonaxonida - Leptomitidae

	Paraleptomitella globula n. sp. Chen et al. 1989	Chen et al. 1989

	Paraleptomitella dictyodroma n. gen., n. sp. Chen et al. 1989	Chen et al. 1989

	Leptomitella confusa Chen et al. 1989	Chen et al. 1989

	Leptomitella conica n. sp. Chen et al. 1989	Chen et al. 1989

	Leptomitus teretiusculus n. sp. Chen et al. 1989	Chen et al. 1989
unclassified

	Parvulonoda dubia n. gen., n. sp. Rigby and Hou 1995	Rigby and Hou 1995
Bradoriida

	Acanthomeridion serratum Hou et al. 1989
Waptiida - Waptiidae

	Chuandianella ovata (Li 1975)
Canadaspidida - Canadaspididae

	Canadaspis laevigata (Hou and Bergström 1991)
Fuxianhuiida - Fuxianhuiidae

	Fuxianhuia protensa Hou 1987
Megacheira - Fortiforcipida - Fortiforcipidae

	Fortiforceps foliosa n. gen., n. sp. Hou and Bergström 1997
Megacheira - Leanchoiliida - Leanchoiliidae

	Leanchoilia illecebrosa (Hou 1987)
Nektaspidida - Naraoiidae

	Naraoia spinosa Zhang and Hou 1985

	Naraoia longicaudata Zhang and Hou 1985
Nektaspidida

	Sinoburius lunaris Hou et al. 1991
unclassified

	Retifacies abnormalis Hou et al. 1989

	Squamacula clypeata n. gen., n. sp. Hou and Bergström 1997

	Skioldia aldna n. gen., n. sp. Hou and Bergström 1997

	Kuamaia lata Hou 1987

	Kuamaia muricata n. sp. Hou and Bergström 1997
Trilobita - Redlichiida - Redlichiidae

	Kuanyangia sp. Hupe 1953
unclassified

	Rhombicalvaria acantha Hou 1987
see common names

Geography

Country:	China	State/province:	Yunnan
Coordinates:	24.7° North, 103.0° East (view map)
Paleocoordinates:	35.0° North, 160.7° East
Basis of coordinate:	estimated from map
Geographic resolution:	small collection

Time

Period:	Cambrian	Epoch:	Series 2
Stage:	Stage 3	10 m.y. bin:	Cambrian 2
Key time interval:	Atdabanian
Age range of interval:	521.00000 - 515.60000 m.y. ago

Stratigraphy

Formation:	Qiongzhusi	Member:	Yuanshan
Local section:	Maotianshan	Local bed:	M2
Local order:	bottom to top
Stratigraphic resolution:	bed
Stratigraphy comments: lower Eoredlichia trilobite zone

Lithology and environment

Primary lithology:	lithified mudstone
Lithology description: soft mudstone, 5 m thick
Environment:	marginal marine indet.

Taphonomy

Modes of preservation:	body
Size of fossils:	macrofossils

Collection methods and comments

Collection methods:	field collection
Reason for describing collection:	taxonomic analysis

Metadata

Also known as:	Chengjiang fauna
Database number:	96402
Authorizer:	W. Kiessling	Enterer:	U. Merkel
Research group:	marine invertebrate
Created:	2010-06-07 02:47:31	Last modified:	2010-06-07 05:47:31
Access level:	the public	Released:	2010-06-07 02:47:31
Creative Commons license:	CC BY

Reference information

Primary reference:

32720.

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

Secondary references:

38854		J. Y. Chen, X. G. Hou, and H. Z. Lu. 1989. Lower Cambrian leptomitids (Demospongea), Chengjiang, Yunnan. Acta Palaeontologica Sinica 28(1):17-30 [W. Kiessling/U. Merkel]
38679		J. K. Rigby and X. G. Hou. 1995. Lower Cambrian demosponges and hexactinellid sponges from Yunnan, China. Journal of Paleontology 69(6):1009-1019 [W. Kiessling/U. Merkel]