Shan MaJiaGou Fm., DaZhai Co., ShanXi Prov., China (Ordovician of China)

Where: ShanXi, China (38.0° N, 114.0° E)

• Paleocoordinates: 27.4° N, 92.7° E (Wright 2013)

• local area-level geographic resolution

When: Shan Majiagou Formation, Llanvirn (468.0 - 458.4 Ma)

• group of beds-level stratigraphic resolution

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

• gray to grayish black limestone and dolomitic limestone and mud limestone, often dolomitic and/or brecciated

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 8005: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 11.06.2000

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Actinocerida - Ormoceratidae
Ormoceras sp.
Ormoceras sp. Stokes 1840
 Actinocerida - Armenoceratidae
Armenoceras sp.
Armenoceras sp. Foerste 1924
 Orthocerida - Proteoceratidae
Tofangoceras sp.
Tofangoceras sp. Kobayashi 1927
Gastropoda
 Euomphalina - Ophiletidae
Ecculiomphalus sp.
Ecculiomphalus sp. Portlock 1843 snail
 Murchisoniina - Lophospiridae
Donaldiella sp., Lophospira sp.
Donaldiella sp. Cossmann 1903 snail
Lophospira sp. Whitfield 1886 snail
Rhynchonellata
 Orthida - Orthidae
Orthis sp.
Orthis sp. Dalman 1828