Guniutan Fm., Yangjiaba, Chengkou County, Sichuan Prov., China (Ordovician of China)

Where: Sichuan, China (32.0° N, 108.0° E: paleocoordinates 12.8° N, 137.4° E)

• local area-level geographic resolution

When: Guniutan Formation, Llanvirn (468.0 - 458.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, black limestone and shale

• limestone and black shale

Primary reference: Sichuan Stratigraphic Work Group. 1978. Regional stratigraphic table of the southwestern region of China, Sichuan part. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7647: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 30.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Liomegistaspis sp.
Strophomenata
 Strophomenida - Grorudiidae
Tetraodontella sp.
Rhynchonellata
 Orthida - Glyptorthidae
Lepidorthis sp.
 Orthida - Productorthidae
Saucrorthis sp.
 Orthida - Orthidae
Orthis sp.
Orthis sp. Dalman 1828
Cephalopoda
 Ellesmerocerida - Protocycloceratidae
Protocycloceras sp.
 Endocerida - Endoceratidae
Vaginoceras sp.
Vaginoceras sp. Hyatt 1884