Shenjiawan, unit 33, 65a (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: Leiostegium constrictum-Shenjiawania brevica trilobite zone, Shenjiawan Formation, Niuchehean (489.5 - 485.4 Ma)

• sample 65a of bed 33, Cambrian stage 10

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified limestone

• Jiangnan Slope Belt
• gray medium- to thin-bedded limestone in the lower part, dark-gray thick-bedded limestone in the upper part

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 126731: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.04.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Corynexochida - Leiostegiidae
Leiostegium constrictum
 Ptychopariida - Shumardiidae
Shumardia changshanensis
 Asaphida - Nileidae
"Troedssonia elongata" = Platypeltoides (Troedssonia), "Troedssonia wimani" = Platypeltoides (Troedssonia) wimani
"Troedssonia elongata" = Platypeltoides (Troedssonia) trilobite
"Troedssonia wimani" = Platypeltoides (Troedssonia) wimani Troedsson 1937 trilobite
 Asaphida - Asaphidae
"Niobella bella" = Niobe (Niobella)
"Niobella bella" = Niobe (Niobella) trilobite
 Asaphida - Ceratopygidae
Macropyge angusta
 Olenida - Eulomidae
Proteuloma cf. subquadrata
Proteuloma cf. subquadrata Lu and Qian 1977 trilobite
 Proetida - Hystricuridae
Taoyuania nobilis