Dawan Fm., DaTianBa, Xiushan County, Sichuan Prov., China (Ordovician of China)

Where: Sichuan, China (29.0° N, 109.0° E)

• Paleocoordinates: 13.8° S, 88.0° E (Wright 2013)

• 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, sandy limestone and shale

• limestone, shale, and sandstone

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 7659: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 30.05.2000

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Phacopida - Pliomeridae
"Hammatocnemis sp." = Ovalocephalus
"Hammatocnemis sp." = Ovalocephalus Koroleva 1959 trilobite
Rhynchonellata
 Pentamerida - Clarkellidae
Yangtzeella sp.
Yangtzeella sp. Kolarova 1925
 Orthida - Archaeorthidae
Nothorthis sp.
Nothorthis sp. Ulrich and Cooper 1938
Pterobranchia
 Graptoloidea - Retiolitidae
Glyptograptus sp.
Glyptograptus sp. Lapworth 1873 graptolite