Where: Hubei, China (33.0° N, 111.0° E: paleocoordinates 12.8° N, 140.9° E)
• local area-level geographic resolution
When: Middle Member (Dawan Formation), Arenig (478.6 - 466.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: offshore shelf; lithified, argillaceous limestone
Primary reference: X. Wang, L. Xian, S. Ni, Q. Zheng, G. Xu, T. Zhou, C. Lai and Z. Li. 1987. Biostratigraphy of the Yangtze Gorge Area. Part (2) Early Paleozoic Era. Geological Publishing House, Beijing 43-142 [A. Miller/P. Novack-Gottshall]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 4716: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 18.08.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Conodonta | |
Drepanoistodus sp. Lindstrom 1971 conodont
Paroistodus sp. Lindström 1971 conodont | |
Drepanodus sp. Pander 1856 conodont
Protopanderodus sp. Lindström 1971 conodont
Scolopodus sp. conodont | |
Baltoniodus sp. Lindstrom 1971 conodont | |
Oistodus sp. Pander 1856 conodont | |
Acodus sp. Pander 1856 conodont | |
Nasusgnathus sp. Ni 1983 conodont | |
Pterobranchia | |
Didymograptus sp. McCoy 1851 graptolite | |
Rhynchonellata | |
Yangtzeella sp. Kolarova 1925 | |
Cephalopoda | |
Sactoceras sp. Hyatt 1884 | |
Chisiloceras sp. Gortani 1934
Vaginoceras sp. Hyatt 1884 | |
Protocycloceras sp. Hyatt 1900 | |
Trilobita | |
Liomegalaspides sp. Lu and Chang 1974 trilobite |