Unit 28, Baota Fm., Yanheganxi and Yanhe, Guizhou Prov., China (Ordovician of China)

Where: Guizhou, China (29.0° N, 109.0° E: paleocoordinates 12.2° N, 132.3° E)

• local area-level geographic resolution

When: Baota Formation, Llandeilo (461.1 - 458.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, gray, argillaceous limestone

• Gray muddy "belt" limestone with small scale "crack" limestone

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 4752: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 18.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Lituitida - Lituitidae
Lituites sp., Cyclolituites sp.
Lituites sp. Bertrand 1763
Cyclolituites sp. Remelé 1886
 Orthocerida - Orthoceratidae
Michelinoceras sp.
Michelinoceras sp. Foerste 1932
 Endocerida - Endoceratidae
Vaginoceras sp.
Vaginoceras sp. Hyatt 1884