Unit 21, Fenxiang Fm., Upper Mbr., Huanghuachang and Yiching, Hubei Prov., China (Ordovician of China)

Where: Hubei, China (33.0° N, 111.0° E: paleocoordinates 15.7° N, 145.5° E)

• local area-level geographic resolution

When: Upper Member (Fengxiang Formation), Tremadoc (485.4 - 477.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified carbonate

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 4729: 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
 Endocerida - Proterocameroceratidae
Proterocameroceras sp. Ruedemann 1905
 Actinocerida -
Hopeioceras sp. Shimuzu and Obata 1936
 Conodontophorida -
Tropodus sp. conodont
Oistodus sp. conodont
Paroistodus sp. Lindström 1971 conodont
Acodus sp. Pander 1856 conodont
 Protopanderodontida -
Paltodus sp. Pander 1856 conodont
 Protopanderodontida - Oneotodontidae
"Glyptoconus sp." = Colaptoconus
"Glyptoconus sp." = Colaptoconus Kennedy 1994 conodont
 Protopanderodontida - Protopanderodontidae
Drepanodus sp. Pander 1856 conodont