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

Where: HeBei, China (39.7° N, 118.3° E: paleocoordinates 12.4° S, 126.9° E)

• local area-level geographic resolution

When: Shan Majiagou Formation, Darriwilian (467.3 - 458.4 Ma)

• Was Early/Lower Llandeilo

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, dolomitic, gray, cherty/siliceous lime mudstone and limestone

• grayish yellow to gray to light pink, moderate to thick-bedded mudstone, dolostone, and limestone with some chert 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 7955: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 10.06.2000, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• Additional taxa from Grabau (1922) include:

•Ctenodonta n. sp. symmetrica Grabau 1922

•Vaginoceras tsinanense Grabau 1922

•Stereoplasmoceras pseudoseptatum Grabau 1922

•Actinoceras richthofeni Frech 1911

•Actinoceras tani Grabau 1922

•Actinoceras submarginale Grabau 1922

•Actinoceras n. sp. nanum Grabau 1922

•Cyrtactinoceras frechi Grabau 1922

Show authors, comments, and common names
unclassified
  -
Disacodus sp., Eobelodella sp., Pararmenoceras sp., Phragnodus sp.
Gastropoda
 Bellerophontida - Bucaniidae
Salpingostoma terrilli n. sp.
Salpingostoma terrilli n. sp. Grabau 1922 snail
 Euomphalina - Ophiletidae
Eccyliomphalus tangshanensis n. sp.
Eccyliomphalus tangshanensis n. sp. Grabau 1922 snail
 Euomphalina - Holopeidae
"Liospira barbouri n. sp." = Raphistomina barbouri
"Liospira barbouri n. sp." = Raphistomina barbouri Grabau 1922 snail
 Murchisoniina - Lophospiridae
"Pagodispira derwiduii" = Donaldiella derwiduii, "Pagodispira dorothea n. sp." = Donaldiella dorothea, Lophospira terrassa n. sp., "Lophospira morrisi n. sp." = Lophospira rectistriata
"Pagodispira derwiduii" = Donaldiella derwiduii Grabau 1922 snail
"Pagodispira dorothea n. sp." = Donaldiella dorothea Grabau 1922 snail
Lophospira terrassa n. sp. Grabau 1922 snail
"Lophospira morrisi n. sp." = Lophospira rectistriata Raymond 1908 snail
Cephalopoda
 Endocerida - Endoceratidae
Kotoceras sp., Vaginoceras tsinanense
Kotoceras sp. Kobayashi 1934
 Orthocerida -
Cycloceras sp.
Cycloceras sp. M'Coy 1844
 Orthocerida - Stereoplasmoceratidae
Stereoplasmoceras pseudoseptatum
 Orthocerida - Mysterioceratidae
Mysterioceras sp.
Mysterioceras sp. Teichert and Glenister 1953
 Orthocerida - Sactoceratidae
Sactoceras sp.
Sactoceras sp. Hyatt 1884
 Actinocerida - Wutinoceratidae
Cyrtonybyoceras sp.
Cyrtonybyoceras sp. Teichert 1933
 Actinocerida - Armenoceratidae
Armenoceras sp.
Armenoceras sp. Foerste 1924
 Actinocerida - Ormoceratidae
Ormoceras sp.
Ormoceras sp. Stokes 1840
Bivalvia
 Solemyida - Ctenodontidae
Ctenodonta symmetrica n. sp.
Conodonta
 Prioniodontida - Oistodontidae
Oistodus sp.
Oistodus sp. Pander 1856 conodont
 Prioniodontida - Polyplacognathidae
Eoplacognathus sp., Polyplacognathus sp.
Eoplacognathus sp. Hamar 1966 conodont
Polyplacognathus sp. Stauffer 1935 conodont
 Prioniodontida - Acodontidae
"Acodus sp." = Acodus, "Acontiodus sp." = Acodus
"Acodus sp." = Acodus Pander 1856 conodont
"Acontiodus sp." = Acodus Pander 1856 conodont
 Prioniodontida - Multioistodontidae
Leptochirognathus sp.
Leptochirognathus sp. Branson and Mehl 1943 conodont
 Protopanderodontida - Protopanderodontidae
Drepanodus sp.
Drepanodus sp. Pander 1856 conodont
  -
Scandodus sp.
Scandodus sp. Lindstrom 1955 conodont
 Ozarkodinida -
Ozarkodina sp.
Ozarkodina sp. Branson and Mehl 1933 conodont
 Proconodontida - Cordylodontidae
Cordylodus sp.
Cordylodus sp. Pander 1856 conodont
 Panderodontida - Panderodontidae
Panderodus sp.
Panderodus sp. Ethington 1959 conodont
Stromatoporoidea
 Labechiida - Labechiidae
Labechia sp.
Labechia sp. Milne-Edwards and Haime 1851 stromatoporoid sponge