Bed 05, Xiaotan Section (Cambrian to of China)

Where: Yunnan, China (27.9° N, 103.6° E: paleocoordinates 34.4° N, 164.6° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Watsonella crosbyi small shelly zone, Dahai Member (Zhujiaqing Formation), Meishucunian to Meishucunian (541.0 - 520.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Dahai Mbr of the Zhujiaqing Fm for which lithostratigraphic relationships are not discussed. AGE: Upper Meishucunian; probably Tommotian. STRATIGRAPHIC POSITION: From unknown position in regional section.

•See Figure 1.

•Redone based on Li & Xiao (2009).

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, phosphatic, cherty/siliceous dolomite

• ENVIRONMENT: Not stated in text.

Size classes: macrofossils, mesofossils

Preservation: replaced with phosphate

Collection methods: bulk, chemical,

• COLLECTOR: Not stated in text, but presumably Steiner et al; unknown date. REPOSITORY: TU Berlin.

Primary reference: G. Li and S. Xiao. 2004. Tannuolina and Micrina (Tannuolinidae) from the Lower Cambrian of eastern Yunnan, south China, and their scleritome reconstruction. Journal of Paleontology 78(5):900-913 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96284: authorized by Pete Wagner, entered by Pete Wagner on 31.05.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to characteristic taxa figured in publication. NOMENCLATURE: Not an authoritative publication but with modern nomenclature and with species resolution identifications.

•Li & Xiao's full list added later.

Coleolidae
  - Coleolidae
Brachiopoda
  -
Lathamella symmetrica Li and Chen 1992
Hyolitha
 Orthothecida -
Aculifera
  - Halkieriidae
Halkieria sthenobasis Luo and Jiang 1982
 Sachitida - Siphogonuchitidae
Watsonella crosbyi
  -
"Heraultipegma yunnanensis" = Watsonella crosbyi
"Heraultipegma yunnanensis" = Watsonella crosbyi Grabau 1900
Helcionelloida
 Helcionellida - Helcionellidae
""Aegides" placus" = Aegitellus placus, Igorella sp.
""Aegides" placus" = Aegitellus placus Luo et al. 1982
Igorella sp. Rozanov et al. 1969
 Hyolithelminthida - Hyolithellidae
Pseudorthotheca sp. Cobbold 1935