Unit 12, Nanjinguang Fm., Lower Mbr., Huanghuachang and Yiching, Hubei Prov., Ch (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: Lower Member (Nanjinguan Formation), Tremadoc (485.4 - 477.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified carbonate and dolomite

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 4738: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 18.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Corynexochida - Leiostegiidae
"Szechuanella sp." = Paraszechuanella
"Szechuanella sp." = Paraszechuanella Liu 1977 trilobite
 Asaphida - Asaphidae
Asaphellus sp. Callaway 1877 trilobite
 Asaphida - Hungaiidae
Dactylocephalus sp. Hsu 1948 trilobite
Ostracoda
 Palaeocopida -
Strophomenata
 Billingsellida - Polytoechiidae
Tritoechia sp. Ulrich and Cooper 1936
Rhynchonellata
 Pentamerida - Tetralobulidae
 Pentamerida - Clarkellidae
Brachiopoda
  -
Iphidella sp. Walcott 1905
Cephalopoda
 Endocerida - Proterocameroceratidae
Conodonta
 Conodontophorida -
 Conodontophorida - Proconodontidae
Cordylodus sp. Pander 1856 conodont
 Conodontophorida -
 Euconodonta -
 Protopanderodontida -
Drepanoistodus sp. Lindstrom 1971 conodont
 Protopanderodontida - Acanthodontidae
 Protopanderodontida - Oneotodontidae
"Glyptoconus sp." = Colaptoconus
"Glyptoconus sp." = Colaptoconus Kennedy 1994 conodont
Graptolithina
 Dendroidea - Dendrograptidae
Dictyonema sp. Hall 1851 graptolite