Haikou - dead count [Maotianshan Shale Mbr, 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)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Maotianshan Shale Member (Yuanshan Formation), Atdabanian (521.0 - 516.0 Ma)

• LITHOSTRATIGRAPHY: From the Maotianshan Shale Mbr of the Yuanshan Fm. AGE: Qiongzhusian in Steiner (2005); correlates to Atdabanian (Steiner, 2007). STRATIGRAPHIC POSITION: From unknown position within local section.

• group of beds-level stratigraphic resolution

Environment/lithology: delta front; lithified, black, brown, green, carbonaceous mudstone and lithified, black sandstone

• ENVIRONMENT: Shallow marine delta front setting in a shallow bay.
• LITHOLOGY: Fine laminated mudstone intercalated with non-fossiliferous sandstone bed; black in color, weathering to tan; organic rich. LITHIFICATION: Lithified, on the basis of figures.

Size class: macrofossils

Preservation: adpression, soft parts

Reposited in the NIGPAS

Collection methods: bulk,

• COLLECTOR: Multiple collectors. REPOSITORY: Early Life Research Center (ELRC) and Nanjing Institute of Geology and Paleontology (NIGPAS), Chengjiang.

Primary reference: S. Q. Dornbos and J.-Y. Chen. 2008. Community palaeoecology of the early Cambrian Maotianshan Shale biota: Ecological dominance of priapulid worms. Palaeogeography, Palaeoclimatology, Palaeoecology 258:200-212 [A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 86931: authorized by Austin Hendy, entered by Austin Hendy on 24.02.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for all groups; abundance only for organisms already considered to be in the death assemblage at the time of deposition. NOMENCLATURE: From a combination of authoritative and review publications, with modern nomenclature, but with only-resolution identifications.
 Bradoriida -
Kunmingella sp. Huo 1956
Crustacea
 Waptiida - Waptiidae
Waptia sp. Walcott 1912
Artiopoda
 Nektaspidida - Naraoiidae
Naraoia sp. Walcott 1912
Chileata
  -
Longtancunella sp. Hou et al. 1999
Lingulata
 Lingulida - Obolidae
Lingulella sp. Salter 1866
 Lingulida - Botsfordiidae
Diandongia sp. Rong 1974
 Lingulida - Discinidae
Heliomedusa sp. Sun and Hou 1987