Lower Mbr., Wufeng Fm., Yangzikou Bijie, Guizhou Prov., China (Ordovician of China)

Where: Guizhou, China (27.0° N, 105.0° E: paleocoordinates 13.0° N, 128.9° E)

• local area-level geographic resolution

When: Lower Member (Wufeng Formation), Wufeng (449.5 - 443.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, black shale

• black shale

Primary reference: Guizhou Stratigraphic Work Group. 1977. Regional stratigraphic table of the southwestern region of China, Guizhou part. Geological Publishing House, Beijing [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7636: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 30.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Pterobranchia
 Graptoloidea - Dicranograptidae
Dicellograptus sp. Hopkinson 1871 graptolite
 Graptoloidea - Diplograptidae
Orthograptus sp. Lapworth 1873 graptolite
 Graptoloidea - Climacograptidae
Climacograptus sp. Hall 1865 climacograptid
Trilobita
 Trinucleida - Trinucleidae
Nankinolithus sp. Lu 1957 trilobite