Unit 39-40, Guniutan Fm., Huanghuachang and Yiching, Hubei Prov., China (Ordovician of China)

Where: Hubei, China (33.0° N, 111.0° E: paleocoordinates 10.8° N, 137.7° E)

• local area-level geographic resolution

When: Guniutan Formation, Early/Lower Llanvirn (466.0 - 463.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, argillaceous carbonate and shale

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 4713: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 17.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Corynexochida - Illaenidae
Illaenus sp. Dalman 1827 trilobite
 Asaphida - Remopleurididae
Remopleurides sp. Portlock 1843 trilobite
Ostracoda
 Metacopida -
 Podocopida -
 Palaeocopida -
Rhynchonellata
 Pentamerida - Clarkellidae
Yangtzeella sp. Kolarova 1925
 Orthida - Paurorthidae
Cephalopoda
 Orthocerida - Orthoceratidae
Michelinoceras sp. Foerste 1932
 Endocerida - Endoceratidae
Dideroceras sp. Flower 1950
Vaginoceras sp. Hyatt 1884
 Endocerida -
 Oncocerida - Oncoceratidae
Richardsonoceras sp. Foerste 1932
Conodonta
 Conodontophorida -
 Conodontophorida - Proconodontidae
Cordylodus sp. Pander 1856 conodont
 Conodontophorida -
Paroistodus sp. Lindström 1971 conodont
 Ozarkodinida -
Periodon sp. Hadding 1913 conodont
 Prioniodontida -
Erraticodon sp. Dzik 1978 conodont
 Prioniodontida - Balognathidae
Amorphognathus sp. Branson and Mehl 1933 conodont
  - Strachanognathidae
Cornuodus sp. conodont
Belodella sp. Ethington 1959 conodont
 Protopanderodontida -
Drepanoistodus sp. Lindstrom 1971 conodont
Paltodus sp. Pander 1856 conodont
 Protopanderodontida - Protopanderodontidae
Drepanodus sp. Pander 1856 conodont
 Paraconodontida -
Westergaardodina sp. Müller 1959 conodont