Member 2, Xia MaJiaGou Fm., ZhaoGeZhuang, TangShan, HeBei Prov., China (Ordovician of China)

Where: HeBei, China (39.0° N, 115.0° E: paleocoordinates 15.0° S, 126.3° E)

• local area-level geographic resolution

When: 2 Member (Xia Majiagou Formation), Llanvirn (468.0 - 458.4 Ma)

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, dolomitic dolomite and lime mudstone

• thick-bedded dolostone and dolomitic limestone with some varved mud and micritic 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 7971: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 10.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Cyrtoniodus sp., Pseudoskimoceras sp.
Conodonta
 Prioniodontida - Acodontidae
"Acontiodus sp." = Acodus
"Acontiodus sp." = Acodus Pander 1856 conodont
 Prioniodontida - Phragmodontidae
Gothodus sp.
Gothodus sp. Lindström 1955 conodont
 Prioniodontida -
"Ptiloconus sp." = Erismodus
"Ptiloconus sp." = Erismodus conodont
 Prioniodontida - Oistodontidae
Oistodus sp.
Oistodus sp. Pander 1856 conodont
 Protopanderodontida - Protopanderodontidae
Scolopodus sp.
  -
Sagittodontus sp.
Sagittodontus sp. Rhodes 1953 conodont
 Proconodontida - Cordylodontidae
Cordylodus sp.
Cordylodus sp. Pander 1856 conodont
 Ozarkodinida -
Plectodina sp.
Cephalopoda
 Endocerida - Proterocameroceratidae
Proterocameroceras sp.
Proterocameroceras sp. Ruedemann 1905
 Actinocerida - Wutinoceratidae
Wutinoceras sp.
Wutinoceras sp. Shimizu and Obata 1935
 Actinocerida - Armenoceratidae
Armenoceras sp.
Armenoceras sp. Foerste 1924
 Orthocerida - Proteoceratidae
"Tofangoceras sp." = Tofangoceras, "Kogenoceras sp." = Tofangoceras
"Tofangoceras sp." = Tofangoceras Kobayashi 1927
"Kogenoceras sp." = Tofangoceras Kobayashi 1927
Gastropoda
 Euomphalina - Macluritidae
Maclurites sp.
Maclurites sp. Le Sueur 1818 snail
 Murchisoniina - Eotomariidae
Liospira sp.
Liospira sp. Ulrich and Scofield 1897 snail
Trilobita
 Asaphida - Asaphidae
Eoisotelus sp.
Eoisotelus sp. Wang 1938 trilobite