Dawan Fm., HuangLing, Hubei Provinces, China (Ordovician of China)

Where: Hubei, China (31.0° N, 111.0° E: paleocoordinates 14.2° N, 139.6° E)

• local area-level geographic resolution

When: Dawan Formation, Dawan (478.6 - 468.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, concretionary, glauconitic, green, yellow limestone and shale

• yellowish green nodular limestone and shale with purplish red limestone and grayish white limestone with green shale, occasionally glauconitic

Primary reference: Stratigraphic Group of Central South China. 1974. Regional stratigraphic data of central South China. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7727: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 31.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Martiella sp., Platyventroceras sp., Protoceras sp.
Pterobranchia
 Dendroidea - Acanthograptidae
Acanthograptus sp., Dictyonema sp.
Dictyonema sp. Hall 1851 graptolite
 Graptoloidea - Phyllograptidae
Tetragraptus sp., Phyllograptus sp.
Tetragraptus sp. Salter 1863 graptolite
Phyllograptus sp. Hall 1858 graptolite
 Graptoloidea - Dichograptidae
Azygograptus sp., Didymograptus sp., Triaenograptus sp., Schizograptus sp.
Azygograptus sp. Nicholson and Lapworth 1875 graptolite
Didymograptus sp. McCoy 1851 graptolite
Triaenograptus sp. graptolite
Schizograptus sp. graptolite
 Graptoloidea - Retiolitidae
Glyptograptus sp.
Strophomenata
 Billingsellida - Polytoechiidae
Polytoechia sp.
 Billingsellida - Clitambonitidae
Clitambonites sp.
Clitambonites sp. Pander 1830
 Strophomenida - Strophomenidae
Strophomena sp.
Strophomena sp. Rafinesque and De Blainville 1824
Rhynchonellata
 Pentamerida - Porambonitidae
Porambonites sp.
Porambonites sp. Pander 1830
 Pentamerida - Clarkellidae
Yangtzeella sp.
Yangtzeella sp. Kolarova 1925
 Orthida - Paurorthidae
Nereidella sp.
 Orthida - Dalmanellidae
Dalmanella sp.
Dalmanella sp. Hall and Clarke 1892
 Orthida - Glyptorthidae
Lepidorthis sp.
 Orthida - Orthidae
Sinorthis sp., Orthis sp.
Orthis sp. Dalman 1828
 Orthida - Plectorthidae
Mimella sp.
Mimella sp. Cooper 1930
Cephalopoda
 Endocerida - Endoceratidae
Cameroceras sp., Vaginoceras sp.
Cameroceras sp. Conrad 1842
Vaginoceras sp. Hyatt 1884
 Endocerida - Proterocameroceratidae
Palaeocycloceras sp.
 Orthocerida - Orthoceratidae
Michelinoceras sp.
Michelinoceras sp. Foerste 1932
Gastropoda
 Euomphalina - Ophiletidae
Ecculiomphalus sp., Ophileta sp.
Ecculiomphalus sp. Portlock 1843 snail
Ophileta sp. Vanuxem 1842 snail
Trilobita
 Corynexochida - Illaenidae
Illaenus sp.
Illaenus sp. Dalman 1827 trilobite
 Trinucleida - Trinucleidae
Hanchungolithus sp., Nankinolithus sp.
Hanchungolithus sp. Lu 1956 trilobite
Nankinolithus sp. Lu 1957 trilobite
 Asaphida - Nileidae
Nileus sp.
Nileus sp. Dalman 1827 trilobite
 Asaphida - Asaphidae
Isoteloides sp.
Isoteloides sp. Raymond 1910 trilobite