KuShuiGou (Ordovician of China)

Also known as SanDaoGou Fm., KuShuiGou, Huan Co., GanSu Prov., China

Where: GanSu, China (36.0° N, 107.0° E: paleocoordinates 21.9° S, 125.5° E)

• coordinate estimated from map

• local area-level geographic resolution

When: SanDaoGou Formation, Llanvirn (468.0 - 458.4 Ma)

• PJW: originally entered as KuShuiGou, but that is the locality.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, cherty/siliceous limestone

• Thick-bedded, gray to dark gray, siliceous limestone

Size class: macrofossils

Primary reference: Stratigraphic Group of NingXia, GanSu and ShanDong Provinces. 1980. Regional stratigraphic table of northern China: NingXia, GanSu and ShanDong Provinces. Geological Publishing House, Beijing, China (Original source resides with A. Miller) [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 20765: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 06.06.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Nileidae
Symphysurus sp. Goldfuss 1843 trilobite
Cephalopoda
 Actinocerida - Armenoceratidae
Armenoceras sp. Foerste 1924
 Tarphycerida - Trocholitidae
Discoceras sp. Barrande 1867
Gastropoda
 Euomphalina - Helicotomidae
Helicotoma sp. Salter 1859 snail
 Euomphalina - Lesueurillidae
Eccyliopterus sp. Remelé 1888 snail
 Euomphalina - Macluritidae
Maclurites sp. Le Sueur 1818 snail
 Euomphalina - Ophiletidae
Ecculiomphalus sp. Portlock 1843 snail
Strophomenata
 Strophomenida - Strophomenidae
Strophomena sp. Rafinesque and De Blainville 1824
 Strophomenida - Sowerbyellidae
Sowerbyella sp. Jones 1928