Yanjiahe village, Yanjiahe Fm, Wushizu section, bed 3 (Cambrian of China)
Where: Hubei, China (30.8° N, 111.3° E: paleocoordinates 27.6° N, 160.2° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Purella antiqua zone, Yanjiahe Formation, Meishucunian (530.7 - 521.0 Ma)
Environment/lithology: offshore; limestone and shale
• 18.5 m thick and consists of carbonaceous limestone interbedded with silty shale containingmacrofossils (algae and enigmaticmetazoans). Bed 3 contains abundant siliceous–phosphatic nodules
Size classes: mesofossils, microfossils
Primary reference: J. Guo, Y. Li, and G. Li. 2014. Small shelly fossils from the early Cambrian Yanjiahe Formation, Yichang, Hubei, China. Gondwana Research 25:999-1007 [W. Kiessling/M. Krause]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 155473: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 15.04.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Helcionelloida | |
"Purella antiqua" = Helcionella antiqua
"Purella antiqua" = Helcionella antiqua Kiær 1916 | |
| Hyolitha | |
|
Conotheca sp. Rozanov et al. 1969
Conotheca subcurvata Yü 1974 | |
| Protoconodonta | |
|
Protohertzina unguliformis Missarzhevsky 1973
Protohertzina anabarica Missarzhevsky 1973 | |