Kuangshan_Malong-b [Yuanshan Fm] (Cambrian of China)

Also known as Chengjiang biota

Where: Yunnan, China (25.4° N, 103.4° E: paleocoordinates 34.2° N, 160.9° E)

When: Eoredlichia-Wutingaspis trilobite zone, Maotianshan Sh Member (Yuanshan Formation), Atdabanian (521.0 - 516.0 Ma)

• 30 cm thick, background mudstone with minimal event layers

• member-level stratigraphic resolution

Environment/lithology: marine; mudstone

Size class: macrofossils

Preservation: mold/impression, soft parts

Collection methods: quarrying, surface (float), surface (in situ),

Primary reference: S.-X. Hu. 2005. Taphonomy and Palaeoecology of the Early Cambrian Chengjiang Biota from Eastern Yunnan, China. Berliner Paläobiologische Abhandlungen 7:1-197 [A. Lin/A. Lin]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 90164: authorized by Alex Lin, entered by Alex Lin on 09.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Vetulicolida
  - Vetulicolidae
unclassified
  -
 Bilateria - Eldoniidae
Stellostomites eumorphus Sun and Hou 1987
Hyolitha
 Hyolithida - Sulcavitidae
Lingulata
 Discinida - Disciniidae
Heliomedusa orienta Sun and Hou 1987
unclassified
  -
Arthropoda indet. Latreille 1829
Deuteropoda
 Isoxyida - Isoxyidae
Isoxys sp. Walcott 1890
Isoxys auritus Jiang 1982
Isoxys paradoxus Hou 1987
Isoxys curvirostratus Vannier and Chen 2000
 Hymenostraca -
Crustacea
 Waptiida - Waptiidae
Megacheira
 Leanchoiliida - Leanchoiliidae
 Radiodonta - Amplectobeluidae
 Radiodonta - Anomalocarididae
Artiopoda
 Nektaspidida - Naraoiidae
Naraoia spinosa Zhang and Hou 1985
Naraoia longicaudata Zhang and Hou 1985
  -
Retifacies abnormalis Hou et al. 1989
Trilobita
 Redlichiida - Dolerolenidae
Malungia laevigata Lu 1961 trilobite
 Redlichiida - Redlichiidae
Wutingaspis malungensis Lu 1961 trilobite
 Parvancorinomorpha - Parvancorinidae
Primicaris larvaformis Zhang et al. 2003
 Bradoriida -
 Odaraiida - Pectocariidae
Microdictyon
  -
Microdictyon sinicum Chen et al. 1989
Bilateria
 Luolishaniida -
Palaeoscolecida
 Cricocosmida - Palaeoscolecidae
Mafangscolex sinensis Hou and Sun 1988
 Palaeoscolecidomorpha - Cricocosmiidae
Cricocosmia jinningensis Hou and Sun 1988
Cambrorhytium
  -
unclassified
  -
Porifera indet. Grant 1836
Demospongiae
 Protomonaxonida - Leptomitidae
Paraleptomitella dictyodroma Chen et al. 1989 demosponge
 Protomonaxonida - Choiidae
Choia hindei Dawson 1896 demosponge
Choiaella radiata Rigby and Hou 1995 demosponge
unclassified
  -
Problematica indet. Andrews 1970