Xia MaJiaGou Fm., YangQu Co., ShanXi Prov., China (Ordovician of China)

Where: ShanXi, China (38.0° N, 113.0° E: paleocoordinates 13.9° S, 129.8° E)

• local area-level geographic resolution

When: Xia Majiagou Formation, Arenig (478.6 - 466.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, dolomitic, gray, yellow, calcareous lime mudstone and limestone

• gray to dark gray to grayish yellow mud limestone and dolomitic limestone; lime mudstone often brecciated with calcareous shale

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 8002: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 11.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Orthocerida - Proteoceratidae
Tofangoceras sp.
Tofangoceras sp. Kobayashi 1927
Gastropoda
 Murchisoniina - Hormotomidae
Hormotoma sp.
Hormotoma sp. Salter 1859 snail
Trilobita
 Asaphida - Asaphidae
Ogygitoides sp., "Basiliella sp." = Basilicus (Basiliella)
Ogygitoides sp. Kobayashi 1934 trilobite
"Basiliella sp." = Basilicus (Basiliella) Kobayashi 1934 trilobite