Unit 34, Dawan Fm., Upper Mbr., Huanghuachang and Yiching, Hubei Prov., China (Ordovician of China)

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

• Paleocoordinates: 16.4° S, 90.9° E (Wright 2013)

• local area-level geographic resolution

When: Upper Member (Dawan Formation), Arenig (478.6 - 466.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, argillaceous 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 4715: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 18.08.1999

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Leiomegalaspides sp., ? Protocycloceroides sp., Changyangoceras sp.
Artiopoda
 Agnostida - Metagnostidae
Trinodus sp., Geragnostus sp.
Trinodus sp. M'Coy 1846
Geragnostus sp. Howell 1935
Trilobita
 Phacopida - Pliomeridae
"Hammatocnemis sp." = Ovalocephalus
"Hammatocnemis sp." = Ovalocephalus Koroleva 1959 trilobite
 Phacopida - Calymenidae
Neseuretus sp.
Neseuretus sp. Hicks 1873 trilobite
 Corynexochida - Leiostegiidae
Pseudocalymene sp.
Pseudocalymene sp. Pillet 1974 trilobite
 Proetida - Telephinidae
Phorocephala sp., Carolinites sp.
Phorocephala sp. Lu 1965 trilobite
Carolinites sp. Kobayashi 1940 trilobite
 Asaphida - Hungaiidae
Hungioides sp.
Hungioides sp. Kobayashi 1936 trilobite
 Asaphida - Asaphidae
Niobe sp., Megalaspides sp.
Niobe sp. Angelin 1851 trilobite
Megalaspides sp. Brögger 1886 trilobite
 Asaphida - Remopleurididae
Remopleurides sp.
Remopleurides sp. Portlock 1843 trilobite
 Trinucleida - Trinucleidae
Hanchungolithus sp.
Hanchungolithus sp. Lu 1956 trilobite
 Trinucleida - Raphiophoridae
Ampyx sp.
Ampyx sp. Dalman 1827 trilobite
 Ptychopariida - Shumardiidae
Shumardia sp.
Shumardia sp. Billings 1862 trilobite
Cephalopoda
 Ellesmerocerida - Protocycloceratidae
Protocycloceras sp.
 Endocerida - Endoceratidae
Dideroceras sp.
Dideroceras sp. Flower 1950
Gastropoda
 Euomphalina - Ophiletidae
Ecculiomphalus sp.
Ecculiomphalus sp. Portlock 1843 snail
Rhynchonellata
 Orthida - Paurorthidae
Nereidella sp.
 Orthida - Draboviidae
Diorthelasma sp.
Diorthelasma sp. Cooper 1956
 Orthida - Plectorthidae
Mimella sp.
Mimella sp. Cooper 1930
 Orthida - Euorthisinidae
Euorthisina sp.
 Orthida - Glyptorthidae
Lepidorthis sp.
Lepidorthis sp. Wang 1955
 Pentamerida - Clarkellidae
Yangtzeella sp.
Yangtzeella sp. Kolarova 1925
 Pentamerida - Tetralobulidae
Syntrophopsis sp.
 Protorthida - Skenidiidae
Skenidioides sp., "Protoskenidiodes sp." = Protoskenidioides
Skenidioides sp. Schuchert and Cooper 1931
"Protoskenidiodes sp." = Protoskenidioides Williams 1974
Strophomenata
 Billingsellida - Polytoechiidae
Martellia sp., Eremotoechia sp.
Martellia sp. Wirth 1936
Eremotoechia sp. Cooper 1956
 Billingsellida - Gonambonitidae
Atelelasmoidea sp.
Conodonta
 Prioniodontida - Oistodontidae
Oistodus sp.
Oistodus sp. Pander 1856 conodont
 Prioniodontida - Balognathidae
Amorphognathus sp., Baltoniodus sp.
Amorphognathus sp. Branson and Mehl 1933 conodont
Baltoniodus sp. Lindstrom 1971 conodont
  -
Nasusgnathus sp.
Nasusgnathus sp. Ni 1983 conodont
 Protopanderodontida - Drepanoistodontidae
Paroistodus sp., Drepanoistodus sp.
Paroistodus sp. Lindström 1971 conodont
Drepanoistodus sp. Lindstrom 1971 conodont
 Protopanderodontida - Cornuodontidae
Cornuodus sp.
Cornuodus sp. conodont
 Protopanderodontida - Protopanderodontidae
Scolopodus sp., Protopanderodus sp., Drepanodus sp.
Protopanderodus sp. Lindström 1971 conodont
Drepanodus sp. Pander 1856 conodont
Pterobranchia
 Graptoloidea - Retiolitidae
Glyptograptus sp.
Glyptograptus sp. Lapworth 1873 graptolite
 Graptoloidea - Phyllograptidae
Tetragraptus sp.
Tetragraptus sp. Salter 1863 graptolite