HongSiYa Fm., LuWuGou, PuGe Co., SiChuan Prov., China (Ordovician of China)

Where: SiChuan, China (27.0° N, 102.0° E: paleocoordinates 22.7° N, 140.6° E)

• local area-level geographic resolution

When: Hongsiya Formation, Arenig (478.6 - 466.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shoreface; lithified, gray, argillaceous, silty sandstone and shale

• grayish white quartz sandstone and purplish red to siltstone with grayish green shale interbedded with quartzose fine-grained sandstone and muddy sandstone

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 7949: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 09.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Taihungshaniidae
Taihungshania sp. Sun 1931 trilobite
 Asaphida - Asaphidae
Psilocephalina sp. Hsu 1948 trilobite
Asaphellus sp. Callaway 1877 trilobite
Paramegalaspis sp. Thoral 1935 trilobite
Lingulata
 Lingulida - Obolidae
Lingulella sp. Salter 1866
Rhynchonellata
 Orthida - Orthidae
 Orthida - Hesperorthidae
Hesperorthis sp. Schuchert and Cooper 1931
Pterobranchia
 Graptoloidea - Dichograptidae
Didymograptus sp. McCoy 1851 graptolite