Unit 24, Honghuayuan Fm., Huanghuachang and Yiching, Hubei Prov., China (Ordovician of China)

Where: Hubei, China (33.0° N, 111.0° E: paleocoordinates 12.8° N, 140.9° 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 grainstone

• Dark sparry limestone

Primary reference: X. Wang, L. Xian, S. Ni, Q. Zheng, G. Xu, T. Zhou, C. Lai and Z. Li. 1987. Biostratigraphy of the Yangtze Gorge Area. Part (2) Early Paleozoic Era. Geological Publishing House, Beijing 43-142 [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 4726: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 18.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

 Billingsellida - Polytoechiidae
Tritoechia sp. Ulrich and Cooper 1936
 Pentamerida - Tetralobulidae
 Orthida - Plectorthidae
Nanorthis sp. Ulrich and Cooper 1936
Teratoceroides sp. Xu and Lai 1983
"Didymoceras" sp. Lai and Xu 1987
listed as Didymoceras sp. - a Cretaceous ammonite
 Endocerida - Proterocameroceratidae
Oderoceras sp. Ulrich et al. 1943
 Endocerida - Manchuroceratidae
Manchuroceras sp. Ozaki 1927
Coreanoceras sp. Kobayashi 1931
 Endocerida - Chihlioceratidae
Chihlioceras sp. Grabau 1922
 Actinocerida -
Hopeioceras sp. Shimuzu and Obata 1936
 Conodontophorida -
Tropodus sp. conodont
Oistodus sp. conodont
Paroistodus sp. Lindström 1971 conodont
Triangulodus sp. van Wamel 1974 conodont
  - Strachanognathidae
Cornuodus sp. conodont
Acodus sp. Pander 1856 conodont
  - Serratognathidae
 Protopanderodontida -
Paltodus sp. Pander 1856 conodont
 Protopanderodontida - Protopanderodontidae
Drepanodus sp. Pander 1856 conodont
 Lithistida - Anthaspidellidae
Archaeoscyphia sp. Hinde 1889 demosponge
  - Receptaculitidae
Calathium sp. Billings 1865