Xia MaJiaGou Fm., KaiPin Co., HeBei Prov., China (Ordovician of China)

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

• gray moderate to thick-bedded dolostone interbedded with moderate to thick-bedded limestone with some chert nodules, varved mudstone and breccia

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
  -
Cephalopoda
 Bisonocerida - Manchuroceratidae
Manchuroceras sp. Ozaki 1927
 Endocerida - Endoceratidae
Hemipiloceras sp. Shimizu et al.
 Orthocerida - Proteoceratidae
"Tofangoceras sp." = Tofangoceras, "Kogenoceras sp." = Tofangoceras
"Tofangoceras sp." = Tofangoceras Kobayashi 1927
"Kogenoceras sp." = Tofangoceras Kobayashi 1927
 Actinocerida - Wutinoceratidae
Wutinoceras sp. Shimizu and Obata 1935
 Actinocerida - Armenoceratidae
Armenoceras sp. Foerste 1924
 Actinocerida - Ormoceratidae
Ormoceras sp. Stokes 1840
 Actinocerida - Actinoceratidae
Actinoceras sp. Bronn 1837
 Actinocerida -
Hopeioceras sp. Shimuzu and Obata 1936
 Actinocerida - Polydesmiidae
Polydesmia sp. Lorenz 1906
Gastropoda
 Murchisoniina - Hormotomidae
Hormotoma sp. Salter 1859 snail
 Murchisoniina - Lophospiridae
Donaldiella sp. Cossmann 1903 snail
 Euomphalina - Ophiletidae
Ecculiomphalus sp. Portlock 1843 snail
Ophileta sp. Vanuxem 1842 snail
 Euomphalina - Macluritidae
Maclurites sp. Le Sueur 1818 snail
Lingulata
 Lingulida - Obolidae
Lingulella sp. Salter 1866
Trilobita
 Asaphida - Asaphidae
Eoisotelus sp. Wang 1938 trilobite
Conodonta
 Panderodontida - Panderodontidae
Panderodus sp. Ethington 1959 conodont
Belodina sp. Ethington 1959 conodont
 Panderodontida -
Loxodus sp. Furnish 1938 conodont
 Ozarkodinida -
Ozarkodina sp. Branson and Mehl 1933 conodont
  - Coleodontidae
Stereoconus sp. Branson and Mehl 1933 conodont
 Proconodontida - Cordylodontidae
Cordylodus sp. Pander 1856 conodont
  - Distacodidae
Distacodus sp. Pander 1856 conodont
 Prioniodontida -
Chirognathus sp., "Ligonodina sp." = Oulodus
"Ligonodina sp." = Oulodus Branson and Mehl 1933 conodont
 Prioniodontida - Acodontidae
"Acodus sp." = Acodus, "Acontiodus sp." = Acodus
"Acodus sp." = Acodus Pander 1856 conodont
"Acontiodus sp." = Acodus Pander 1856 conodont
 Prioniodontida - Balognathidae
Tetraprioniodus sp. Lindstrom 1955 conodont
 Prioniodontida - Oistodontidae
Oistodus sp. Pander 1856 conodont
 Prioniodontida - Plectodinidae
Tangshanodus sp. An 1983 conodont
 Prioniodontida - Multioistodontidae
Multioistodus sp. Cullison 1938 conodont
  -
Scandodus sp. Lindstrom 1955 conodont
 Protopanderodontida - Drepanoistodontidae
Paltodus sp. Pander 1856 conodont
 Protopanderodontida - Protopanderodontidae
Drepanodus sp. Pander 1856 conodont
Scolopodus sp. conodont