Unit 21, Laozai Fm., Lenshuigou Wenshan, Yunnan Prov., China (Ordovician of China)

Where: Yunnan, China (23.0° N, 104.0° E: paleocoordinates 23.6° N, 136.0° E)

• local area-level geographic resolution

When: Laozai Formation, Arenig (478.6 - 466.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: foreshore; lithified siltstone

• quartz sandstone

Primary reference: R. Wang. 1981. Stratigraphic Summary of the Southwestern Region of China. Institute of Geology and Mine Deposit at Chengdu, Ministry of Geology (not published, copy of article deposited with A. I. Miller at the University of Cincinnati, received through S. Mao) 14-61 [A. Miller/P. Novack-Gottshall]more details

PaleoDB collection 5430: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 02.10.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Asaphidae
Psilocephalina sp. Hsu 1948 trilobite
Megalaspides sp. Brögger 1886 trilobite
 Asaphida - Taihungshaniidae
Taihungshania sp. Sun 1931 trilobite