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 (468.0 - 461.1 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

Show authors, comments, and common names
unclassified
  -
Tetraprionoidus sp., Parasclerites sp.
Ostracoda
 Beyrichicopida - Spinigeritidae
Pinnatulites sp.
 Leperditellocopida - Aparchitidae
Aparchites sp.
 Podocopida -
Predarwinula sp.
 Podocopida - Bairdiocyprididae
Elliptocyprites sp., Longiscula sp.
Longiscula sp. Neckaja 1958 ostracod
Trilobita
 Asaphida - Remopleurididae
Remopleurides sp.
Remopleurides sp. Portlock 1843 trilobite
 Corynexochida - Illaenidae
Illaenus sp.
Illaenus sp. Dalman 1827 trilobite
Cephalopoda
 Endocerida - Endoceratidae
Dideroceras sp., Chisiloceras sp., Vaginoceras sp.
Dideroceras sp. Flower 1950
Chisiloceras sp. Gortani 1934
Vaginoceras sp. Hyatt 1884
 Oncocerida - Oncoceratidae
Richardsonoceras sp.
Richardsonoceras sp. Foerste 1932
 Orthocerida - Orthoceratidae
Michelinoceras sp.
Michelinoceras sp. Foerste 1932
Rhynchonellata
 Orthida - Paurorthidae
Nereidella sp.
 Pentamerida - Clarkellidae
Yangtzeella sp.
Yangtzeella sp. Kolarova 1925
Conodonta
 Prioniodontida - Balognathidae
Amorphognathus sp., Baltoniodus sp.
Amorphognathus sp. Branson and Mehl 1933 conodont
Baltoniodus sp. Lindstrom 1971 conodont
 Prioniodontida - Acodontidae
Tropodus sp.
Tropodus sp. Kennedy 1980 conodont
 Prioniodontida -
Erraticodon sp.
Erraticodon sp. Dzik 1978 conodont
 Protopanderodontida - Protopanderodontidae
Protopanderodus sp., Drepanodus sp.
Protopanderodus sp. Lindström 1971 conodont
Drepanodus sp. Pander 1856 conodont
 Protopanderodontida - Cornuodontidae
Cornuodus sp.
Cornuodus sp. conodont
 Protopanderodontida - Acanthodontidae
Scalpellodus sp.
Scalpellodus sp. Dzik 1976 conodont
 Protopanderodontida - Drepanoistodontidae
Paltodus sp., Drepanoistodus sp., Paroistodus sp.
Paltodus sp. Pander 1856 conodont
Drepanoistodus sp. Lindstrom 1971 conodont
Paroistodus sp. Lindström 1971 conodont
 Ozarkodinida -
Periodon sp., Microzarkodina sp.
Periodon sp. Hadding 1913 conodont
Microzarkodina sp. Lindström 1971 conodont
 Proconodontida - Proconodontidae
Proconodontus sp.
Proconodontus sp. Miller 1969 conodont
 Proconodontida - Cordylodontidae
Cordylodus sp.
Cordylodus sp. Pander 1856 conodont
 Paraconodontida -
Westergaardodina sp.
Westergaardodina sp. Müller 1959 conodont
 Belodellida - Belodellidae
Belodella sp.
Belodella sp. Ethington 1959 conodont
Ambalodus
  -
Ambalodus sp.
Ambalodus sp. Branson and Mehl 1933