Ma'anshan_Mas-b [Yuanshan Fm] (Cambrian of China)

Also known as Chengjiang biota

Where: Yunnan, China (24.8° N, 102.6° E: paleocoordinates 35.1° N, 161.1° E)

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

• 15 cm thick, slightly bioturbated mudstone

• 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 90161: authorized by Alex Lin, entered by Alex Lin on 09.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Lingulata
 Discinida - Disciniidae
Heliomedusa orienta Sun and Hou 1987
 Lingulida - Lingulellotretidae
Hyolitha
 Hyolithida - Sulcavitidae
unclassified
  -
Arthropoda indet. Latreille 1829
Trilobita
 Redlichiida - Redlichiidae
"Eoredlichia intermedia" = Eoredlichia intermediata
"Eoredlichia intermedia" = Eoredlichia intermediata Lu 1940 trilobite
Artiopoda
 Nektaspidida - Naraoiidae
Naraoia longicaudata Zhang and Hou 1985
Deuteropoda
 Isoxyida - Isoxyidae
Isoxys auritus Jiang 1982
Crustacea
 Waptiida - Waptiidae
Bradoriida
  -
 Bradoriida -
Palaeoscolecida
 Cricocosmida - Palaeoscolecidae
Mafangscolex sinensis Hou and Sun 1988
 Palaeoscolecidomorpha -
Maotianshania cylindrica Sun and Huo 1987
unclassified
  -
Problematica indet. Andrews 1970