Nizeqing section, bed 37, Dahai (Cambrian of China)

Where: Yunnan, China (26.3° N, 103.2° E: paleocoordinates 35.5° N, 163.4° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Heraultipegma yunnanensis small shelly zone, Dahai Member (Zhujiaqing Formation), Meishucunian (530.7 - 521.0 Ma)

• bed 37: 4.3 m thick, Heraultipegma yunnanensis zone (=Watsonella crosbyi zone, Steiner 2007)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Primary reference: Y. Qian, M. Y. Zhu, T. G. He and Z. W. Jiang. 1996. New investigation of Precambrian-Cambrian boundary sections in eastern Yunnan. Acta Micropalaeontologica Sinica 13(3):225-240 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 108311: authorized by Wolfgang Kiessling, entered by Uta Merkel on 27.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Helcionelloida
  - Stenothecidae
"Heraultipegma yunnanensis" = Watsonella crosbyi
"Heraultipegma yunnanensis" = Watsonella crosbyi Grabau 1900
Hyolitha
 Orthothecida -
Turcutheca sp. Rozanov et al. 1969
 Orthothecida - Circothecidae
Conotheca sp. Rozanov et al. 1969
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria sp. Walcott 1920