Bed Mb04-2, Meishucun section (Cambrian of China)

Also known as Bed 4 of Qian & Bengston

Where: Yunnan, China (24.7° N, 102.6° E: paleocoordinates 38.4° N, 163.5° E)

• coordinate stated in text

• local area-level geographic resolution

When: Anabarites trisulcatus - Protohertzina anabarica small shelly zone, Zhongyicun Member (Zhujianqing Formation), Nemakit-Daldynian (538.8 - 525.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, dolomitic, gray, blue phosphorite

• Blue-grey, thick-bedded dolomitic, siliceous oolitic granular phosphorite and bioclastic phosphatic rock

Size classes: mesofossils, microfossils

Preservation: cast

Collected by Parkhaev and Demidenko in 2005; reposited in the PIN

• Specimens stored at Nanjing Institue of Geology and Palaeontology, Academia Sinica, Nanjing, China

Primary reference: P. Y. Parkhaev and Y. Demidenko. 2010. Zooproblematica and mollusca from the Lower Cambrian Meishucun section (Yunnan, China) and taxonomy and systematics of the Cambrian small shelly fossils of China. Paleontological Journal 44(8):883-1161 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 171898: authorized by Pete Wagner, entered by Pete Wagner on 22.07.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hyolithelminthida - Torellellidae
 Hyolithelminthida - Hyolithellidae
Hyolithellus sp. Billings 1872
Hyolitha
 Orthothecida -
Helcionelloida
  - Helcionellidae
"Igorella emeiensis" = Securiconus emeiensis, "Bemella simplex" = Securiconus simplex
"Igorella emeiensis" = Securiconus emeiensis Yü 1979
"Bemella simplex" = Securiconus simplex Yü 1979
  - Stenothecidae
Pseudoscenella levigata Parkhaev and Demidenko 2010
Aculifera
  - Halkieriidae
Halkieria sthenobasis Luo and Jiang 1982
Ocruranus finial Liu 1979
Archaeooides granulatus
  -