Shenjiawan, unit 22, 51 (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 51 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 126724: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.04.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Artiopoda
 Agnostida - Agnostidae
Neoagnostus sabulosus, Lotagnostus (Distagnostus) celatus, Lotagnostus punctatus, Micragnostus sp.
Micragnostus sp. Howell 1935
Trilobita
 Asaphida - Asaphidae
Niobella tianjiapingensis
Niobella tianjiapingensis Liu 1982 trilobite
 Asaphida - Ceratopygidae
Hedinaspis regalis, Charchaqia transversa, Charchaqia glabrescens, Charchaqia norini, ? Diceratopyge problematica, Diceratopyge obesa
Hedinaspis regalis Troedsson 1937 trilobite
Charchaqia glabrescens Peng 1992 trilobite
Charchaqia norini Troedsson 1937 trilobite
Diceratopyge obesa Peng 1983 trilobite