Balang, 10-4 (Cambrian of China)

Where: Guizhou, China (26.7° N, 108.4° E)

• Paleocoordinates: 7.0° S, 78.9° E (Wright 2013)

• coordinate estimated from map

• small collection-level geographic resolution

When: Oryctocephalus indicus trilobite zone, Kaili Formation, Taijangian (509.0 - 504.5 Ma)

• stage 5 of Cambrian series 3

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified mudstone

• Jiangnan slope belt

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: J. L. Yuan, Y. L. Zhao, Z. Z. Wang, Z. Zhen, and X. Y. Chen. 1997. A preliminary study on Lower-Middle Cambrian boundary and trilobite fauna at Balang, Taijiang, Guizhou, south China. Acta Palaeontologica Sinica 36(4):494-524 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 125164: authorized by Wolfgang Kiessling, entered by Uta Merkel on 06.03.2012

Creative Commons license: CC0 (CC0)

Taxonomic list

Trilobita
 Corynexochida - Oryctocephalidae
"Oryctocephalus opiki" = Oryctocephalites opiki Shergold 1969 trilobite
Oryctocephalus indicus Reed 1910 trilobite
 Corynexochida - Dorypygidae
"Olenoides jialaoensis" = Kootenia jialaoensis
"Olenoides jialaoensis" = Kootenia jialaoensis Lu and Chien 1978 trilobite
 Ptychopariida - Ptychopariidae
Chengshanaspis conica n. sp., "Xingrenaspis sp." = Xingrenaspis, "Danzhaina sp." = Xingrenaspis
Chengshanaspis conica n. sp. Yuan et al. 1997 trilobite
"Xingrenaspis sp." = Xingrenaspis Zhang et al. 1980 trilobite
"Danzhaina sp." = Xingrenaspis Zhang et al. 1980 trilobite
Artiopoda
 Agnostida - Eodiscidae