Middle Caradoc YinGan 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: YinGan Formation, Caradoc (458.4 - 449.5 Ma)

• formation-level stratigraphic resolution

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

• Grayish-black siltstone interbedded with grayish-black, muddy limestone

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 20796: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 07.06.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

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Pterobranchia
 Graptoloidea - Diplograptidae
Amplexograptus sp., Orthograptus sp.
Orthograptus sp. Lapworth 1873 graptolite
 Graptoloidea - Climacograptidae
Climacograptus sp.
Climacograptus sp. Hall 1865 climacograptid
 Graptoloidea - Dicranograptidae
Dicellograptus sp.
Dicellograptus sp. Hopkinson 1871 graptolite
Trilobita
 Trinucleida - Raphiophoridae
Ampyxella sp., "Xinjiangia sp." = Taklamakania
Ampyxella sp. Dean 1960 trilobite
"Xinjiangia sp." = Taklamakania Zhang 1980 trilobite