Y2K-4. Zhonggou, about 3 km northwest of Yanzikou, (Ordovician of China)

Where: Guizhou, China (27.6° N, 105.4° E: paleocoordinates 11.4° N, 128.2° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Kuanyinchiao Formation, Hirnantian (445.2 - 443.4 Ma)

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• bioclastic micritic limestone

Size class: macrofossils

Preservation: original silica

Collected by Li Rong-yu in 1993

Primary reference: J.-Y. Rong and R.-Y. Li. 1999. A silicified Hirnantia Fauna (latest Ordovician brachiopods) from Guizhou, Southwest China. Journal of Paleontology 73(5):831-849 [P. Wagner/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 153321: authorized by Pete Wagner, entered by Pete Wagner on 09.12.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Stauriida - Lambelasmatidae
Lambeophyllum sp. Okulitch 1938 horn coral
Gastropoda
 Euomphalina - Holopeidae
"? Cirropsis sp." = Holopea
"? Cirropsis sp." = Holopea Hall 1847 snail
 Murchisoniina - Hormotomidae
Rhynchonellata
 Athyridida - Meristellidae
Hindella crassa Sowerby 1839
 Rhynchonellida - Sphenotretidae
Dorytreta longicrura Rong and Li 1999
 Rhynchonellida - Trigonirhynchiidae
 Orthida - Dalmanellidae
Strophomenata
 Orthotetida - Chilidiopsidae
Fardenia modica Rong and Li 1999
 Strophomenida - Leptostrophiidae
Eostropheodonta sp. Bancroft 1949