Jianchaogou Fm., Ludipin Songtao, Guizhou Prov., China (Ordovician of China)

Where: Guizhou, China (28.0° N, 109.0° E: paleocoordinates 9.8° N, 128.1° E)

• local area-level geographic resolution

When: Jianchaogou Formation, Pusgillian (449.5 - 449.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, argillaceous limestone

• muddy limestone

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 7382: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 25.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Orthida - Orthidae
Orthis sp.
Orthis sp. Dalman 1828
Cephalopoda
 Orthocerida - Orthoceratidae
Michelinoceras sp.
Michelinoceras sp. Foerste 1932
Trilobita
 Trinucleida - Trinucleidae
Nankinolithus sp.
Nankinolithus sp. Lu 1957 trilobite
 Ptychopariida - Shumardiidae
Kweichowilla sp.
Kweichowilla sp. Zhang 1964 trilobite
 Phacopida - Pliomeridae
"Hammatocnemis sp." = Ovalocephalus
"Hammatocnemis sp." = Ovalocephalus Koroleva 1959 trilobite
Artiopoda
 Agnostida - Metagnostidae
Trinodus sp.
Trinodus sp. M'Coy 1846