Upper portion, Shan Yan Fm., (CheLunGou Grp.), CheLunGou and TianZhu Counties, G (Ordovician of China)

Where: GanSu, China (37.0° N, 103.0° E: paleocoordinates 25.6° S, 120.7° E)

• local area-level geographic resolution

When: Upper Member (Shanyan Formation), Llandeilo (461.1 - 458.4 Ma)

• CheLunGou Group

• member-level stratigraphic resolution

Environment/lithology: marine; lithified, dolomitic, gray, green sandstone and limestone

• light gray green quartz slate with tourmaline and chlorite at top, gray white limestone with purplish red sandstone and dolomite in middle, gray black limestone with andesitic tuff sandstone at bottom

Primary reference: Stratigraphic Group of Quing Hai Province. 1980. Regional stratigraphic tables of the north western China region: Volume of NinXia Province. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 8562: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 02.08.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Lingulata
 Acrotretida - Acrotretidae
Conotreta sp.
Conotreta sp. Walcott 1889
Rhynchonellata
 Orthida - Plaesiomyidae
Plaesiomys sp.
Plaesiomys sp. Hall and Clarke 1892
 Orthida - Orthidae
Orthambonites sp.
Orthambonites sp. Pander 1830
Strophomenata
 Strophomenida - Furcitellidae
"Cyphomena sp." = Dactylogonia, Oepikina sp.
"Cyphomena sp." = Dactylogonia Ulrich and Cooper 1942
Oepikina sp. Salmon 1942
 Strophomenida - Sowerbyellidae
Sowerbyella sp.
Sowerbyella sp. Jones 1928