Where: Sichuan, China (32.2° N, 108.4° E: paleocoordinates 22.2° N, 154.7° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Lejopyge laevigata-Clavagnostus (Parclavagnostus) variatus trilobite zone, Baguamiao Formation, Guzhangian (500.5 - 497.0 Ma)
• Lejopyge laevigata-Clavagnostus (Parclavagnostus) variatus zone of Yang 1993, probably equivalent to Lejopyge laevigata zone
• bed-level stratigraphic resolution
Environment/lithology: slope; lithified lime mudstone and lithified, argillaceous limestone
Size class: macrofossils
Preservation: cast, mold/impression
Primary reference: J. Yang, S. Yu, G. Liu, N. Su, M. He, J. Shang, H. Zhang, H. Zhu, Y. Li and G. Yan. 1993. Cambrian stratigraphy, lithofacies, paleogeography and trilobite faunas of East Qinling-Dabashan Mountains, China 1-246 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 127068: authorized by Wolfgang Kiessling, entered by Uta Merkel on 23.04.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Artiopoda | |
Clavagnostus (Paraclavagnostus) variatus Yang et al. 1993
Clavagnostus cf. repandus Westergard 1930 | |
"Innitagnostus neglectus" = Agnostus neglectus
"Innitagnostus neglectus" = Agnostus neglectus Westergard 1946 | |
"Lejopyge laevigata" = Lejopyge laevigatus
"Lejopyge laevigata" = Lejopyge laevigatus Dalman 1828 | |
Diplagnostus planicauda Angelin 1851 | |
"Hypagnostus correctus" = Hypagnostus parvifrons
"Hypagnostus correctus" = Hypagnostus parvifrons Linnarsson 1869 | |
Peronopsis (Armagnostus) sinensis n. sp. Yang et al. 1993 | |
Trilobita | |
Pianaspis dictyodroma Yang et al. 1993 trilobite | |
Metalisania subquadrata, Dazhuia dazhuensis n. gen. n. sp., Eoshengia gaoqiaogouensis n. sp., Eoshengia tenuis, Eoshengia shorteglabella n. sp.
Metalisania subquadrata Ju 1983 trilobite
Dazhuia dazhuensis n. gen. n. sp. Yang et al. 1993 trilobite
Eoshengia gaoqiaogouensis n. sp. Yang et al. 1993 trilobite
Eoshengia tenuis Zhang 1981 trilobite
Eoshengia shorteglabella n. sp. Yang et al. 1993 trilobite |