Xiandong, Lianyuan County (Permian of China)

Where: Hunan, China (27.9° N, 111.9° E: paleocoordinates 3.1° S, 96.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Qixia Formation, Kungurian (279.3 - 272.3 Ma)

• Associated with ammonoid Pseudohalorites

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone and lithified, black shale

• Limesotne intercalation of a set of black shales

Size class: macrofossils

Collected in 1991

Primary reference: Z. H. Liu. 1994. New material of helicoprionid shark from Lianyuan of Hunan. Vertebrata PalAsiatica 32(2):127-133 [M. Clapham/M. Clapham]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 50995: authorized by Tom Olszewski, entered by Tom Olszewski on 25.05.2005, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Eugeneodontiformes - Helicampodontidae
Hunanohelicoprion xiandongensis n. gen. n. sp. Liu 1994 chimaera