Lower section, DaWan Fm., LunShan, 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: shallow subtidal; lithified, gray limestone

• gray to light gray 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 7876: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 05.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Euomphalina - Raphistomatidae
Raphistoma sp. Hall 1847 snail
 Euomphalina - Ophiletidae
Ecculiomphalus sp. Portlock 1843 snail
Strophomenata
 Strophomenida - Leptellinidae
Leptellina sp. Ulrich and Cooper 1936
 Billingsellida - Polytoechiidae
Rhynchonellata
 Orthida - Orthidae
 Orthida - Hesperonomiidae
Hesperonomia sp. Ulrich and Cooper 1936
 Orthida - Plectorthidae
Mimella sp. Cooper 1930
 Orthida - Finkelnburgiidae
Diparelasma sp. Ulrich and Cooper 1936
 Pentamerida - Clarkellidae
Yangtzeella sp. Kolarova 1925
 Pentamerida - Tetralobulidae
Tetralobula sp., "Thaumatrophia sp." = Imbricatia
Tetralobula sp. Ulrich and Cooper 1936
"Thaumatrophia sp." = Imbricatia
 Pentamerida - Porambonitidae
Porambonites sp. Pander 1830
Artiopoda
 Agnostida - Metagnostidae
Trinodus sp. M'Coy 1846