Upper section, Dawan Fm., NingLang, NingLang Co., YunNan Prov., China (Ordovician of China)

Where: YunNan, China (27.0° N, 101.0° E: paleocoordinates 23.6° N, 141.7° E)

• local area-level geographic resolution

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

Environment/lithology: transition zone or lower shoreface; lithified, gray, silty shale

• brick red shale and dark gray silty shale

Primary reference: Stratigraphic Group of Yunnan, China. 1978. Regional stratigraphic data of Southwest China, Yunnan Province. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7745: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 01.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Pterobranchia
 Graptoloidea - Sinograptidae
Holmograptus sp.
Holmograptus sp. graptolite
 Graptoloidea - Dichograptidae
Didymograptus sp., Clonograptus sp.
Didymograptus sp. McCoy 1851 graptolite
Clonograptus sp. Nicholson 1873 graptolite
 Graptoloidea - Phyllograptidae
Phyllograptus sp.
Phyllograptus sp. Hall 1858 graptolite
Rhombifera
 Hemicosmitoida - Hemicosmitidae
Hemicosmites sp.
Hemicosmites sp. Buch 1840
 Rhombifera - Echinoencrinitidae
Echinoencrinites sp.
Echinoencrinites sp. von Meyer 1826
Cephalopoda
 Orthocerida - Orthoceratidae
Orthoceras sp.
Orthoceras sp. Breynius 1832
Rhynchonellata
 Orthida - Orthidae
Sinorthis sp., Orthis sp.
Orthis sp. Dalman 1828
Trilobita
 Asaphida - Asaphidae
Pseudobasilicus sp.
Pseudobasilicus sp. Reed 1930 trilobite
 Corynexochida - Leiostegiidae
"Eucalymene sp." = Pseudocalymene
"Eucalymene sp." = Pseudocalymene Pillet 1974 trilobite