DaWan Fm., GaoLunChun, JuRong Co., JiangSu Prov., China (Ordovician of China)

Where: JiangSu, China (32.0° N, 119.0° E: paleocoordinates 7.9° N, 136.9° E)

• local area-level geographic resolution

When: Dawan Formation, Dawan (478.6 - 468.1 Ma)

• group of beds-level stratigraphic resolution

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

• gray to grayish purple mud limestone and limestone

Primary reference: X. Chen, T. E. Chen, X. P. Zhou, J. Y. Qiu, Y. N. Ni and X. C. Yang. 1988. Ordovician system of the Lower Yangtze region in Jiangsu Province. Sinian-Triassic biostratigraphy of the Lower Yangtze peneplatform in Jiangsu Region 81-126 [A. Miller/P. Novack-Gottshall/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7940: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 08.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Changyangoceras sp., Mesoendoceras sp.
Conodonta
 Protopanderodontida - Protopanderodontidae
Protopanderodus sp.
Protopanderodus sp. Lindström 1971 conodont
 Prioniodontida - Balognathidae
Baltoniodus sp.
Baltoniodus sp. Lindstrom 1971 conodont
Cephalopoda
 Ellesmerocerida - Protocycloceratidae
Protocycloceras sp.
 Endocerida - Endoceratidae
Dideroceras sp., Chisiloceras sp.
Dideroceras sp. Flower 1950
Chisiloceras sp. Gortani 1934
 Orthocerida - Baltoceratidae
Cochlioceras sp.
Cochlioceras sp. Eichwald 1860
 Orthocerida - Proteoceratidae
Gangshanoceras sp.
 Dissidocerida - Troedssonellidae
Troedssonella sp.
Troedssonella sp. Kobayashi 1935