Wuliu Quarry, FZX24 (Cambrian of China)

Where: Guizhou, China (26.7° N, 108.4° E: paleocoordinates 28.1° N, 154.3° E)

• coordinate stated in text

• small collection-level geographic resolution

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

• lowermost Taijiangian (Cambrian stage 5)

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified claystone

• Jiangnan Slope Belt
• 0.5-1.5 cm thick, internally laminated claystone beds, olive green to medium grey; hacky-irregular bedding with common reddish brown layers about 1 mm thick, few well bedded horizons

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: F. A. Sundberg, Y. L. Zhao, J. L. Yuan and J. Lin. 2011. Detailed trilobite biostratigraphy across the proposed GSSP for stage 5 ("Middle Cambrian" boundary) at the Wuliu-Zengjiayan section, Guizhou, China. Bulletin of Geosciences 86(3):423-464 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 128093: authorized by Wolfgang Kiessling, entered by Uta Merkel on 01.06.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Artiopoda
 Agnostida - Eodiscidae
Pagetia taijiangensis
Pagetia taijiangensis Yuan et al. 1997
Trilobita
 Corynexochida - Dorypygidae
Olenoides paraptus
Olenoides paraptus Zhao et al. 1994 trilobite
 Corynexochida - Oryctocephalidae
Oryctocephalus indicus
Oryctocephalus indicus Reed 1910 trilobite
 Ptychopariida - Ptychopariidae
Xingrenaspis xingrenensis
Xingrenaspis xingrenensis Zhang et al. 1980 trilobite
 Ptychopariida - Proasaphiscidae
Miaobanpoia angustilimbata
Miaobanpoia angustilimbata Zhang et al. 1980 trilobite
 Ptychopariida - Alokistocaridae
Danzhaiaspis quadratus
Danzhaiaspis quadratus Zhang et al. 1980 trilobite