Llanvirn part, Shan MaJiaGou Fm., ZhaoJiaGou-ZhiZi-HunJiang, JiLin Prov., China (Ordovician of China)

Where: JiLin, China (42.0° N, 126.0° E)

• Paleocoordinates: 19.2° N, 86.5° E (Wright 2013)

• coordinate estimated from map

• local area-level geographic resolution

When: Xia MaJiaGou Formation, Llanvirn (468.0 - 458.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, dolomitic, gray, yellow limestone

• Yellowish gray dolomitic limestone, dark gray limestone, and gray limestone with dolomitic limestone

Size class: macrofossils

Primary reference: C.h.i.n.a. Stratigraphic Group JiLin and HeiLongJiang. 1978. Regional stratigraphic table of Northeastern China, JiLin and HeiLongJiang Provinces. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 21148: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 18.06.2002

Creative Commons license: CC0 (CC0)

Taxonomic list

unclassified
  -
Cephalopoda
 Tarphycerida - Trocholitidae
Trocholites sp. Conrad 1838
 Actinocerida - Actinoceratidae
Actinoceras sp. Bronn 1837
 Actinocerida - Ormoceratidae
Ormoceras sp. Stokes 1840
 Actinocerida - Armenoceratidae
Armenoceras sp. Foerste 1924
 Orthocerida - Sactoceratidae
Sactoceras sp. Hyatt 1884
Gastropoda
 Murchisoniina - Lophospiridae
Lophospira sp. Whitfield 1886 snail