QingNiDong Fm., QingNiDong-ChanDu, QingHai Prov., China (Ordovician of China)

Where: QingHai, China (30.0° N, 98.0° E)

• Paleocoordinates: 14.1° S, 96.8° E (Wright 2013)

• coordinate estimated from map

• local area-level geographic resolution

When: QingNiDong Formation, Arenig (478.6 - 466.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; black, gray slate and lithified, dolomitic, gray, argillaceous, calcareous sandstone

• Grayish-black slate with gray sandstone and limestone, some with shale and dolostone

Primary reference: Stratigraphic Group of GanSu, QingHai, and Tibet Provinces. 1980. Regional Stratigraphic Table of China: Gansu, Qinghai, and Tibet Provinces [A. Miller/P. Novack-Gottshall/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 23602: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 17.07.2002

Creative Commons license: CC0 (CC0)

Taxonomic list

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Pterobranchia
 Graptoloidea - Phyllograptidae
Tetragraptus sp., Phyllograptus sp.
Tetragraptus sp. Salter 1863 graptolite
Phyllograptus sp. Hall 1858 graptolite
 Graptoloidea - Dichograptidae
Dichograptus sp., Didymograptus sp.
Dichograptus sp. graptolite
Didymograptus sp. McCoy 1851 graptolite
Strophomenata
 Strophomenida - Taffiidae
Leptella sp.
Leptella sp. Hall and Clarke 1892
 Strophomenida - Leptellinidae
Leptellina sp.
Leptellina sp. Ulrich and Cooper 1936
Rhynchonellata
 Orthida - Orthidae
Orthambonites sp., Orthis sp.
Orthambonites sp. Pander 1830
Orthis sp. Dalman 1828
Trilobita
 Asaphida - Taihungshaniidae
Taihungshania sp.
Taihungshania sp. Sun 1931 trilobite
 Asaphida - Asaphidae
Ptychopyge sp.
Ptychopyge sp. Angelin 1854 trilobite
 Corynexochida - Illaenidae
Illaenus sp.
Illaenus sp. Dalman 1827 trilobite