Shenjiawan, unit 22, 50 (Cambrian of China)

Where: Hunan, China (29.1° N, 111.0° E: paleocoordinates 20.7° N, 147.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lotagnostus punctatus-Hedinaspis regalis trilobite zone, Shenjiawan Formation, Niuchehean (489.5 - 485.4 Ma)

• sample 50 of bed 22, stage 10 of Cambrian

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified limestone

• Jiangnan Slope Belt
• grayish-black, thin-bedded limestone with a few limestone lenses, intercalated with medium-bedded compact limestone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: S. Peng and L. E. Babcock. 2001. Cambrian of the Hunan-Guizhou region, south China. Palaeoworld 13:3-51 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107328: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Artiopoda
 Agnostida - Agnostidae
Neoagnostus sp., Lotagnostus punctatus
Neoagnostus sp. Kobayashi 1955
Trilobita
 Asaphida - Asaphidae
Niobella sanduensis
Niobella sanduensis Chien 1961 trilobite
 Asaphida - Ceratopygidae
Charchaqia norini
Charchaqia norini Troedsson 1937 trilobite