Yanbeihou K12, Zhijin (Permian of China)

Where: Guizhou, China (26.5° N, 105.6° E: paleocoordinates 1.6° N, 96.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Upper Member (Longtan Formation), Wuchiapingian (259.9 - 254.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; gray, cherty/siliceous limestone

Size class: macrofossils

Primary reference: H. Wang, L. Shao, L. Hao, P. Zhang, I. J. Glasspool, J. R. Wheeley, P. B. Wignall, T. Yi, M. Zhang and J. Hilton. 2011. Sedimentology and sequence stratigraphy of the Lopingian (Late Permian) coal measures in southwestern China. International Journal of Coal Geology 85(1):168-183 [A. Dunhill/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 197494: authorized by Alex Dunhill, entered by Bethany Allen on 14.11.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Nautilida - Tainoceratidae
Tainoceras sp. Hyatt 1883 nautiloid
Bivalvia
 Pectinida - Entoliidae
Pernopecten huayingshanensis Chen et al. 1974 scallop
 Pectinida - Aviculopectinidae
Aviculopecten sp. M'Coy 1851 scallop
 Pectinida - Limipectinidae
Acanthopecten sp. Girty 1903 scallop
 Pectinida - Limidae
Palaeolima cf. dieneri Frech 1911 file clam
 Ostreida - Pterineidae
Ptychopteria problematica Chen and Lan 1976 oyster
 Ostreida - Bakevelliidae
Bakevellia sp. King 1848 oyster
 Trigoniida - Schizodidae
Rhynchonellata
 Athyridida - Athyrididae
Araxathyris sp. Grunt 1965
Strophomenata
 Productida - Aulostegidae
Edriosteges sp. Muir-Wood and Cooper 1960
 Productida - Lyttoniidae
Leptodus sp. Kayser 1883
Trilobita
 Proetida - Phillipsiidae
Pseudophillipsia sp. Gemmellaro 1890 trilobite