ShiHuiGou Fm., DaYanTouGou and DaCaiDan Counties, QingHai Prov., China (Ordovician of China)

Where: QingHai, China (38.0° N, 95.0° E: paleocoordinates 19.5° N, 87.2° E)

• local area-level geographic resolution

When: ShiHuiGou Formation, Early/Lower Llanvirn (468.0 - 461.1 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, black, gray, argillaceous sandstone and limestone

• gray sandstone and dark gray to black shale with gray limestone in middle and 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 8686: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 24.08.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Pterobranchia
 Graptoloidea - Sinograptidae
Tylograptus sp., Holmograptus sp.
Tylograptus sp. Mu 1957 graptolite
Holmograptus sp. graptolite
 Graptoloidea - Retiolitidae
Glyptograptus sp.
 Graptoloidea - Climacograptidae
Pseudoclimacograptus sp., Climacograptus sp.
Climacograptus sp. Hall 1865 climacograptid
 Graptoloidea - Lasiograptidae
Lasiograptus sp.
Lasiograptus sp. Lapworth 1873 lasiograptid
 Graptoloidea - Dicranograptidae
Dicellograptus sp.
Dicellograptus sp. Hopkinson 1871 graptolite
 Graptoloidea - Diplograptidae
Amplexograptus sp., Diplograptus sp.
Diplograptus sp. graptolite
 Graptoloidea - Isograptidae
Cardiograptus sp., Isograptus sp.
Isograptus sp. Moberg 1892 graptolite
 Graptoloidea - Glossograptidae
Cryptograptus sp., Paraglossograptus sp., Glossograptus sp.
Glossograptus sp. graptolite
 Graptoloidea - Dichograptidae
Didymograptus sp., Loganograptus sp.
Didymograptus sp. McCoy 1851 graptolite
Loganograptus sp. Hall 1868 graptolite
 Graptoloidea - Tetragraptidae
Pseudotrigonograptus sp.
 Graptoloidea - Phyllograptidae
Phyllograptus sp., Tetragraptus sp.
Phyllograptus sp. Hall 1858 graptolite
Tetragraptus sp. Salter 1863 graptolite
 Graptoloidea - Pterograptidae
Pterograptus sp.
Pterograptus sp. Holm 1881 graptolite
  -
Trigonograptus sp.
Trigonograptus sp. Lapworth 1873 graptolite
 Dendroidea - Dendrograptidae
Dendrograptus sp.
Dendrograptus sp. Hall 1858 graptolite
Malacostraca
 Archaeostraca - Caryocarididae
Caryocaris sp.
Caryocaris sp. Salter 1863