Where: HeBei, China (40.0° N, 118.0° E: paleocoordinates 9.6° S, 130.0° E)
• local area-level geographic resolution
When: Xia Majiagou Formation, Arenig (478.6 - 466.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified, dolomitic, gray, cherty/siliceous dolomite and limestone
Primary reference: North China Stratigraphic Group. 1979. Regional Stratigraphic Table of North China. Branch of HeBei Province and TianJin City 250-260 [A. Miller/P. Novack-Gottshall/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 7956: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 10.06.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Trilobita | |
Eoisotelus sp. Wang 1938 trilobite | |
Cephalopoda | |
Manchuroceras sp. Ozaki 1927 | |
Hemipiloceras sp. Shimizu et al. | |
Polydesmia sp. Lorenz 1906 | |
Actinoceras sp. Bronn 1837 | |
Armenoceras sp. Foerste 1924 | |
Wutinoceras sp. Shimizu and Obata 1935 | |
Hopeioceras sp. Shimuzu and Obata 1936 | |
Ormoceras sp. Stokes 1840 | |
"Tofangoceras sp." = Tofangoceras, "Kogenoceras sp." = Tofangoceras
"Tofangoceras sp." = Tofangoceras Kobayashi 1927
"Kogenoceras sp." = Tofangoceras Kobayashi 1927 | |
Gastropoda | |
Maclurites sp. Le Sueur 1818 snail | |
Ecculiomphalus sp. Portlock 1843 snail
Ophileta sp. Vanuxem 1842 snail | |
Donaldiella sp. Cossmann 1903 snail | |
Hormotoma sp. Salter 1859 snail | |
Lingulata | |
Lingulella sp. Salter 1866 | |
Conodonta | |
Distacodus sp. Pander 1856 conodont | |
Multioistodus sp. Cullison 1938 conodont | |
Oistodus sp. Pander 1856 conodont | |
Tangshanodus sp. An 1983 conodont | |
Tetraprioniodus sp. Lindstrom 1955 conodont | |
"Ligonodina sp." = Oulodus, Chirognathus sp.
"Ligonodina sp." = Oulodus Branson and Mehl 1933 conodont
Chirognathus sp. conodont | |
Drepanodus sp. Pander 1856 conodont
Scolopodus sp. conodont | |
Paltodus sp. Pander 1856 conodont | |
Ozarkodina sp. Branson and Mehl 1933 conodont | |
Cordylodus sp. Pander 1856 conodont | |
Loxodus sp. Furnish 1938 conodont | |
Panderodus sp. Ethington 1959 conodont
Belodina sp. Ethington 1959 conodont | |
Stereoconus sp. Branson and Mehl 1933 conodont | |
Scandodus sp. Lindstrom 1955 conodont |