XiaQiaoJia Fm., MinZiLou, YueXi Co., SiChuan Prov., China (Ordovician of China)

Where: SiChuan, China (28.0° N, 102.0° E: paleocoordinates 22.0° N, 141.5° E)

• local area-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, gray, sandy limestone and shale

• gray limestone with shale and sandstone and lens-shaped 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 7950: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 09.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Orthida - Plectorthidae
Nanorthis sp.
Nanorthis sp. Ulrich and Cooper 1936
Strophomenata
 Billingsellida - Polytoechiidae
Antigonambonites sp.
Trilobita
 Phacopida - Calymenidae
Neseuretus sp.
Neseuretus sp. Hicks 1873 trilobite
 Trinucleida - Trinucleidae
Hanchungolithus sp.
Hanchungolithus sp. Lu 1956 trilobite
 Asaphida - Remopleurididae
Remopleurides sp.
Remopleurides sp. Portlock 1843 trilobite
 Asaphida - Asaphidae
Isoteloides sp.
Isoteloides sp. Raymond 1910 trilobite