Unit 1, Dawan Fm., Lushan Kaili, Guizhou Prov., China (Ordovician of China)

Where: Guizhou, China (27.0° N, 108.0° E: paleocoordinates 18.7° N, 137.7° E)

• local area-level geographic resolution

When: Dawan Formation, Dawan (478.6 - 468.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, argillaceous limestone and shale

• muddy limestone and shale

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 7371: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 23.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Leiostegiidae
"Szechuanella sp." = Pseudocalymene
"Szechuanella sp." = Pseudocalymene Pillet 1974 trilobite
Rhynchonellata
 Pentamerida - Porambonitidae
Porambonites sp. Pander 1830
 Orthida - Glyptorthidae
Lepidorthis sp. Wang 1955
 Orthida - Orthidae
Orthis sp. Dalman 1828
Cephalopoda
 Endocerida - Endoceratidae
Dideroceras sp. Flower 1950
 Orthocerida - Baltoceratidae
Cochlioceras sp. Eichwald 1860