Unit 15, SanQiaoJia Fm., Xindian Qiaojia, Yunnan Prov., China (Ordovician of China)

Where: Yunnan, China (27.0° N, 103.0° E)

• Paleocoordinates: 3.3° S, 79.8° E (Wright 2013)

• local area-level geographic resolution

When: Sanqiaojia Formation, Late/Upper Llanvirn (463.5 - 460.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified siltstone and mudstone

• siltstone and mudstone

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

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7283: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 22.05.2000

Creative Commons license: CC0 (CC0)

Taxonomic list

Trilobita
 Lichida - Lichidae
Amphilichas sp. Raymond 1905 trilobite
 Phacopida - Cheiruridae
Paraceraurus sp. Männil 1958 trilobite
Strophomenata
 Billingsellida - Polytoechiidae
 Sphaeronitida - Aristocystitidae
Pterobranchia
 Graptoloidea - Pterograptidae
Didymograptellus sp. Cooper and Fortey 1982 graptolite