Wa'ergang, unit 12, 18 (Cambrian of China)

Where: Hunan, China (29.1° N, 110.9° E)

• Paleocoordinates: 14.2° S, 85.3° E (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Corynexochus plumula-Sinoproceratopyge cf. kiangshanensis zone, Huaqiao Formation, Paibian (497.0 - 494.0 Ma)

• Sample 18 of unit 12. Peng 1992 included the bed in the Bitiao Formation, but following revision of stratigraphic nomenclature (Peng & Robison, 2000), the Huaqiao, Chefu, and Bitiao formations have been grouped into a single unit, the Huaqiao Formation.

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified limestone

• Jiangnan Slope Belt
• argillaceous, laminated limestone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: S. Peng. 1992. Upper Cambrian biostratigraphy and trilobite faunas of the Cili-Taoyuan area, northwestern Hunan, China. Memoir of the Association of Australasian Palaeontologists 13:1-119 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 126656: authorized by Wolfgang Kiessling, entered by Uta Merkel on 10.04.2012

Creative Commons license: CC0 (CC0)

Taxonomic list

Artiopoda
 Agnostida - Spinagnostidae
"Peratagnostus sinicus" = Peratagnostus obsoletus
"Peratagnostus sinicus" = Peratagnostus obsoletus Kobayashi 1935
Trilobita
 Corynexochida - Corynexochidae
Corynexochus plumula Whitehouse 1939 trilobite
 Asaphida - Ceratopygidae
Proceratopyge sp. Wallerius 1895 trilobite
"Proceratopyge cf. truncata" = Proceratopyge truncatus Yang 1977 trilobite
Proceratopyge waergangensis n. sp. Peng 1992 trilobite