Honghuayuan Fm., Wanzu, Pengshui Co., Sichuan Prov., China (Ordovician of China)

Where: Sichuan, China (29.0° N, 109.0° E: paleocoordinates 16.5° N, 138.4° E)

• local area-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, cherty/siliceous limestone

• limestone with chert

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 7663: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 30.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

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Strophomenata
 Billingsellida - Polytoechiidae
Tritoechia sp.
Tritoechia sp. Ulrich and Cooper 1936
Rhynchonellata
 Orthida - Finkelnburgiidae
Diparelasma sp.
Diparelasma sp. Ulrich and Cooper 1936
Cephalopoda
 Endocerida - Endoceratidae
Cameroceras sp.
Cameroceras sp. Conrad 1842
 Actinocerida -
Hopeioceras sp.
Hopeioceras sp. Shimuzu and Obata 1936
Gastropoda
 Euomphalina - Ophiletidae
Ecculiomphalus sp.
Ecculiomphalus sp. Portlock 1843 snail
Trilobita
 Asaphida - Asaphidae
Psilocephalina sp.
Psilocephalina sp. Hsu 1948 trilobite
Demospongiae
 Lithistida - Anthaspidellidae
Archaeoscyphia sp.
Archaeoscyphia sp. Hinde 1889 demosponge
Radiocyatha
  - Soanitidae
Calathium sp.
Calathium sp. Billings 1865