Xiuzigou, bed 10b: Wangcunian - Guzhangian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Ptychopariida - Solenopleuridae
Huzhuia paratypica Yang 1978
Trilobita - Ptychopariida - Lisaniidae
Quandraspis shengwanensis n. gen., n. sp. Yang et al. 1993
Eoshengia rigida n. sp. Yang et al. 1993
Eoshengia paratenuis n. sp. Yang et al. 1993
Extrania trigona n. sp. Yang et al. 1993
Trilobita - Ptychopariida - Papyriaspididae
Pianaspis informal sp. 3 Saito and Sakakura 1936
Pianaspis attenuata (Lermontova and Chernysheva 1950)
Pianaspis sinensis (Yang 1978)
Trilobita - Corynexochida - Dolichometopidae
Fuchouia cf. oratolimba Yang 1977
Agnostida - Peronopsidae
? Peronopsis bilobus n. sp. Yang et al. 1993
Peronopsis fallax (Linnarsson 1869)
subsp. ferox
Agnostida - Ammagnostidae
Peronopsis laiwuensis (Lorenz 1906)
recombined as Ammagnostus laiwuensis
Agnostida - Ptychagnostidae
Ptychagnostus aculeatus (Angelin 1851)
recombined as Acidusus aculeatus
Agnostida - Diplagnostidae
Linguagnostus kjerulfi (Brogger 1878)
Diplagnostus qinlingensis n. sp. Yang et al. 1993
synonym of Diplagnostus planicauda
Peronopsis rakuroensis (Kobayashi 1935)
recombined as Baltagnostus rakuroensis
Agnostida - Spinagnostidae
Hypagnostus transversus Yang et al. 1993
Hypagnostus vulgarus (Qian and Qiu 1983)
see common names

Geography
Country:China State/province:Henan County:Xichuan
Coordinates: 32.8° North, 111.5° East (view map)
Paleocoordinates:20.4° North, 154.2° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Cambrian
Key time interval:Wangcunian - Guzhangian Trilobite zone: Linguagnostus kjerulfi-Diplagnostus qinlingensis
Age range of interval:505.00000 - 497.00000 m.y. ago
Stratigraphy
Formation:Xijiadian
Local section:Xiuzigou Local bed:10b
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Linguagnostus kjerulfi-Diplagnostus qinlingensis zone of Yang 1993, probably equivalent to Lejopyge armata-Lejopyge laevigata zones, Drumian-Guzhangian
Lithology and environment
Primary lithology:dolomitic lithified "limestone"
Secondary lithology: lithified calcareous "shale"
Lithology description: grey thin- to medium-bedded limy dolomite in the upper part, bluish-grey thin-bedded dolomitic limestone with purplish-red calcareous shale in the middle part, leopard limestone in the lower part
Environment:slope
Geology comments: platform margin slope
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:127076
Authorizer:W. Kiessling Enterer:U. Merkel
Modifier:U. Merkel Research group:marine invertebrate
Created:2012-04-23 23:03:52 Last modified:2012-04-24 08:04:24
Access level:authorizer only Released:2015-04-23 23:03:52
Creative Commons license:CC BY
Reference information

Primary reference:

41224. 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]