SaerGanTag Fm., YinGan, KePin Co., XinJiang Prov., China (Ordovician of China)

Where: XinJiang, China (41.0° N, 79.0° E: paleocoordinates 32.9° S, 114.4° E)

• coordinate estimated from map

• local area-level geographic resolution

When: SaerGanTag Formation, Caradoc (458.4 - 449.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; gray, green, argillaceous limestone and gray, green siltstone

• Light grayish-green limestone, muddy limestone, and mudstone with gray to grayish-green siltstone

Size classes: macrofossils, mesofossils

Primary reference: Y. S. Zhang. 1981. Stratigraphic table of northwestern region of China: XinJiang Province part. 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 20801: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 07.06.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Pterobranchia
 Graptoloidea - Dicranograptidae
Dicranograptus sp. Hall 1865 graptolite
 Graptoloidea - Climacograptidae
 Graptoloidea - Diplograptidae
Orthograptus sp. Lapworth 1873 graptolite
Corynoides sp. Nicholson 1867 graptolite
Cephalopoda
 Tarphycerida - Trocholitidae
Discoceras sp. Barrande 1867
 Orthocerida - Orthoceratidae
Michelinoceras sp. Foerste 1932
Sinoceras sp. Shimizu et al. 1935
Ctenoceras sp. Noetling 1884
 Lituitida - Lituitidae
Ancistroceras sp. Remele 1881
Artiopoda
 Agnostida - Metagnostidae
Geragnostus sp. Howell 1935
Trilobita
 Corynexochida - Illaenidae
Illaenus sp. Dalman 1827 trilobite
 Phacopida - Calymenidae
Neseuretus sp. Hicks 1873 trilobite
 Phacopida - Pliomeridae
"Hammatocnemis sp." = Ovalocephalus
"Hammatocnemis sp." = Ovalocephalus Koroleva 1959 trilobite
 Trinucleida - Dionididae
Dionide sp. Barrande 1847 trilobite
 Asaphida - Nileidae
Nileus sp. Dalman 1827 trilobite
 Asaphida - Cyclopygidae
Cyclopyge sp. Hawle and Corda 1847 trilobite
 Asaphida - Asaphidae
Birmanites sp. Sheng 1934 trilobite
 Asaphida - Remopleurididae
Remopleurides sp. Portlock 1843 trilobite