Bed Mb04-1, 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

Collection methods: 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: general faunal/floral analysis

PaleoDB collection 171896: authorized by Pete Wagner, entered by Pete Wagner on 22.07.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Aculifera
  - Halkieriidae
Helcionelloida
 Helcionellida - Helcionellidae
Truncatoconus yichangensis, "Latouchella korobkovi" = Oelandiella korobkovi, "Igorella emeiensis" = Securiconus emeiensis, "Bemella simplex" = Securiconus simplex
"Latouchella korobkovi" = Oelandiella korobkovi Vostokova 1962
"Igorella emeiensis" = Securiconus emeiensis Yü 1979
"Bemella simplex" = Securiconus simplex Yü 1979
 Helcionellida - Rugaeconidae
Xianfengella prima He and Yang 1982
 Helcionellida - Stenothecidae
Hyolitha
 Orthothecida -
Archaeooides granulatus
  -
 Hyolithelminthida - Torellellidae
 Hyolithelminthida - Hyolithellidae
Hyolithellus sp. Billings 1872
Hexagonellus kuzminae Parkhaev and Demidenko 2010