JiuXi Fm., JiuXi, TaoYuan Co., Hunan Province, China (Ordovician of China)

Where: Hunan, China (29.0° N, 111.0° E: paleocoordinates 15.0° N, 137.4° E)

• local area-level geographic resolution

When: Jiuxi Formation, Arenig (478.6 - 466.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shoreface; lithified, green, yellow, sandy shale

• yellowish green sandy shale and shale

Primary reference: Hunan Geology and Mine Deposit Bureau. 1988. Summary of regional geology of Hu''nan Province, China. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7700: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 31.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

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Pterobranchia
 Graptoloidea - Dichograptidae
Didymograptus sp.
Didymograptus sp. McCoy 1851 graptolite
 Graptoloidea - Phyllograptidae
Tetragraptus sp.
Tetragraptus sp. Salter 1863 graptolite
 Graptoloidea - Tetragraptidae
Pseudotrigonograptus sp.
 Graptoloidea - Diplograptidae
Amplexograptus sp.
 Graptoloidea - Climacograptidae
Pseudoclimacograptus sp.
 Graptoloidea - Retiolitidae
Glyptograptus sp.
 Graptoloidea - Glossograptidae
Glossograptus sp.
 Graptoloidea - Isograptidae
Cardiograptus sp., Isograptus sp.
Isograptus sp. Moberg 1892 graptolite
 Graptoloidea - Sinograptidae
Allograptus sp., Tylograptus sp., Holmograptus sp.
Allograptus sp. graptolite
Tylograptus sp. Mu 1957 graptolite
Holmograptus sp. graptolite
Lingulata
 Lingulida - Acrothelidae
Acrothele sp.
Acrothele sp. Linnarsson 1876
 Lingulida - Obolidae
Lingulella sp.
Lingulella sp. Salter 1866
 Lingulida - Lingulidae
Lingula sp.
Lingula sp. Bruguiére 1797
Rhynchonellata
 Orthida - Orthidae
Orthis sp.
Orthis sp. Dalman 1828
Trilobita
 Trinucleida - Raphiophoridae
Ampyx sp.
Ampyx sp. Dalman 1827 trilobite
 Asaphida - Nileidae
Symphysurus sp.
Symphysurus sp. Goldfuss 1843 trilobite
 Asaphida - Cyclopygidae
Microparia sp., Cyclopyge sp.
Microparia sp. Hawle and Corda 1847 trilobite
Cyclopyge sp. Hawle and Corda 1847 trilobite
Artiopoda
 Agnostida - Metagnostidae
Geragnostus sp.
Geragnostus sp. Howell 1935