Huagong, beds 19-17 (Permian of China)

Where: Guizhou, China (26.0° N, 105.1° E: paleocoordinates 11.0° S, 94.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Longyin Formation, Artinskian (290.1 - 279.3 Ma)

• Early Artinskian based on ammonoids in Zhou, 2017

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified claystone

• Claystone, silty claystone, intercalating thin quartz sandstone, and lenses of marlstone

Size class: macrofossils

Reposited in the NIGPAS

Primary reference: Z. R. Zhou. 2017. Permian basinal ammonoid sequence in Nanpanjiang area of South China - possible overlap between basinal Guadalupian and platform-based Lopingian. Journal of Paleontology 91(Memoir 74):1-95 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185543: authorized by Matthew Clapham, entered by Matthew Clapham on 27.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Agathiceratidae
Agathiceras sp. Gemmellaro 1887 ammonite
 Goniatitida - Marathonitidae
Almites sp. Toumansky 1941 ammonite
 Goniatitida - Metalegoceratidae
Bransonoceras longyinense n. sp. Zhou 2017 ammonite
Pseudoschistoceras sp. Teichert 1944 ammonite
 Prolecanitida - Medlicottiidae
Akmilleria parahuecoensis Zhou 2017 ammonite
Medlicottia orbignyana de Verneuil 1845 ammonite
Miklukhoceras guizhouense n. sp. Zhou 2017 ammonite
 Prolecanitida - Pronoritidae
Neopronorites darvasicus Leonova 1988 ammonite