Laolin lal02 (Cambrian of China)

Where: Yunnan, China (26.3° N, 103.2° E: paleocoordinates 32.6° N, 159.5° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Watsonella crosbyi small shelly zone, Dahai Member (Zhujiaqing Formation), Cambrian (538.8 - 485.4 Ma)

• Stage 2, Cambrian

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, nodular limestone

• The upper part of the DahaiMember consists of 22 m nodular limestone interbededwith limestone and shales.

Size class: microfossils

Preservation: replaced with phosphate

Primary reference: B. Yang, M. Steiner, G. X. Li and H. Heupp. 2014. Terreneuvian small shelly faunas of East Yunnan (South China) and their biostratigraphic implication. 398:28-58 [L. Na/L. Na]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 201566: authorized by Lin Na, entered by Lin Na on 13.05.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Helcionelloida
 Helcionellida - Helcionellidae
Ilsanella atdabanica Rozanov and Missarzhevsky 1966
Absidaticonus triangulatus Xing et al. 1984
Bemella jacutica Rozanov and Missarzhevsky 1966
Aculifera
  - Halkieriidae
Halkieria sp. Poulsen 1967
Halkieria sthenobasis Luo and Jiang 1982
Hyolitha
 Orthothecida -
"Actinotheca mira" = Cupittheca mira
"Actinotheca mira" = Cupittheca mira He 1977
Cambroclavida
  - Zhijinitidae