Honghuayuan Fm., Yangjiaba, Chengkou County, Sichuan Prov., China (Ordovician of China)

Where: Sichuan, China (32.0° N, 108.0° E: paleocoordinates 15.5° N, 141.5° E)

• local area-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: sand shoal; lithified, ooidal shale and limestone

• shale, limestone, and oolite

Primary reference: Sichuan Stratigraphic Work Group. 1978. Regional stratigraphic table of the southwestern region of China, Sichuan part. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7650: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 30.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Billingsellida - Billingsellidae
 Billingsellida - Polytoechiidae
Tritoechia sp. Ulrich and Cooper 1936
Rhynchonellata
 Orthida - Paurorthidae
Paurorthis sp. Schuchert and Cooper 1931
Lingulata
 Lingulida - Obolidae
Obolus sp. Eichwald 1829
Trilobita
 Asaphida - Asaphidae
Psilocephalina sp. Hsu 1948 trilobite
Isoteloides sp. Raymond 1910 trilobite
 Corynexochida - Leiostegiidae
"Eucalymene sp." = Pseudocalymene
"Eucalymene sp." = Pseudocalymene Pillet 1974 trilobite