Slp-1 - Sanlangpu section (Cambrian of China)

Where: Shaanxi, China (33.0° N, 107.9° E: paleocoordinates 27.5° N, 164.8° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Sinosachites flabelliformis-Tannuolina zhangwentangi small shelly zone, Xihaoping Member (Dengying Formation), Early/Lower Cambrian (541.0 - 513.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Xihaoping Mbr off the Dengying Fm, which is overlain by the Guojiaba Fm. AGE: Meishucunian. STRATIGRAPHIC POSITION: From near base of section.

•Steiner et al. give this as Qiongzhusian. Qian et al. give it as Chiungchussuan, which is a variant spelling. (PJW 2010-06-10.)

•Ninella tarimensis – Cambroclavus fangxianensis equals to Sinosachites flabelliformis-Tannuolina zhangwentangi described in primary reference

• bed-level stratigraphic resolution

Environment/lithology: peritidal; lithified, nodular, phosphatic limestone

• ENVIRONMENT: Carbonate platform.

•Moore et al. (2010): The Xihaoping Member is interpreted to have been deposited in a high-energy, peritidal environment (Li et al., 2004), along the northern margin of the Yangtze Platform.

• SPECIFIC LITHOLOGY: Phosphatic nodular limestone. In general formation described as dark phosphatic carbonates, siltstones, and cherts. LITHIFICATION: Lithified, on the basis of figured specimens and facies descriptions.

Size class: macrofossils

Preservation: concretion, replaced with phosphate

Collection methods: bulk, chemical,

• COLLECTOR: Presumably collected by Steiner and others, c. 2000. REPOSITORY: TU Berlin collection (TUBACK).

Primary reference: M. Steiner, G. Li, Y. Qian and M. Zhu. 2004. Lower Cambrian Small Shelly Fossils of northern Sichuan and southern Shaanxi (China), and their biostratigraphic importance. Geobios 37:259-275 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 86613: authorized by Austin Hendy, entered by Austin Hendy on 09.02.2009, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for invertebrate fosssils. NOMENCLATURE: Not an authoritative publication, but with modern nomenclature and species resolution identifications.
Chlorophyceae
 Dasycladales -
Cambroclavus fangxianensis Qian and Zhang 1983
Hexactinellida
  -
Hexactinellida indet. Schmidt 1870 glass sponge
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Cambroclavida
  - Zhijinitidae
Aculifera
  - Halkieriidae
Halkieria sthenobasis Luo and Jiang 1982
Helcionelloida
 Helcionellida - Helcionellidae
Igorella sp. Rozanov et al. 1969
 Helcionellida - Yochelcionellidae
Yochelcionella sp.1 Runnegar and Pojeta 1974
Hyolitha
 Orthothecida -
"Cupitheca mira" = Cupittheca mira
"Cupitheca mira" = Cupittheca mira He 1977
 Orthothecida - Circothecidae
Conotheca brevica n. sp.2 Qian et al. 2001