Unit 22, 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 shale and 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 4728: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 18.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

 Asaphida - Asaphidae
Psilocephalina sp. Hsu 1948 trilobite
 Asaphida - Taihungshaniidae
Tungtzuella sp. Lu 1957 trilobite
Asaphopsis sp. Mansuy 1920 trilobite
 Billingsellida - Polytoechiidae
Tritoechia sp. Ulrich and Cooper 1936
 Pentamerida - Tetralobulidae
 Orthida - Plectorthidae
Nanorthis sp. Ulrich and Cooper 1936
 Endocerida - Proterocameroceratidae
Proterocameroceras sp. Ruedemann 1905
 Actinocerida -
Hopeioceras sp. Shimuzu and Obata 1936
 Conodontophorida -
Oistodus sp. conodont
Paroistodus sp. Lindström 1971 conodont
Triangulodus sp. van Wamel 1974 conodont
Acodus sp. Pander 1856 conodont
  - Serratognathidae
 Protopanderodontida - Protopanderodontidae
Drepanodus sp. Pander 1856 conodont
 Graptoloida - Anisograptidae
Adelograptus sp. Bulman 1941 graptoloid
Kiaerograptus sp. graptoloid
Haplograptus sp. graptolite
 Dendroidea -
 Dendroidea - Dendrograptidae
Dictyonema sp. Hall 1851 graptolite
Dendrograptus sp. Hall 1858 graptolite