Unit 31, Jiangchaogou Fm., Yanheganxi and Yanhe, Guizhou Prov., China (Ordovician of China)

Where: Guizhou, China (29.0° N, 109.0° E: paleocoordinates 9.2° N, 129.0° E)

• local area-level geographic resolution

When: Jianchaogou Formation, Pusgillian (449.5 - 449.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, yellow, calcareous shale

• Yellow calcium-rich shale

Primary reference: R. Wang. 1981. Stratigraphic Summary of the Southwestern Region of China. Institute of Geology and Mine Deposit at Chengdu, Ministry of Geology (not published, copy of article deposited with A. I. Miller at the University of Cincinnati, received through S. Mao) 14-61 [A. Miller/P. Novack-Gottshall]more details

PaleoDB collection 4750: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 18.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Lingulata
 Lingulida - Discinidae
Orbiculoidea sp.
Orbiculoidea sp. d'Orbigny 1847
Strophomenata
 Strophomenida - Aegiromenidae
Aegiromena sp.
Aegiromena sp. Havlícek 1961
 Strophomenida - Hesperomenidae
"Trimurellina sp." = Kassinella (Trimurellina)
"Trimurellina sp." = Kassinella (Trimurellina) Mitchell 1977
 Strophomenida - Foliomenidae
Foliomena sp.
Foliomena sp. Havlicek 1952
Artiopoda
 Agnostida - Metagnostidae
Trinodus sp.
Trinodus sp. M'Coy 1846
Trilobita
 Corynexochida - Styginidae
Paraphillipsinella sp.
 Phacopida - Calymenidae
"Calymenesum sp." = Calymenesun
"Calymenesum sp." = Calymenesun Kobayashi 1951 trilobite
 Phacopida - Encrinuridae
Dindymene sp.
Dindymene sp. Hawle and Corda 1847 trilobite
 Phacopida - Pliomeridae
"Hammatocnemis sp." = Ovalocephalus
"Hammatocnemis sp." = Ovalocephalus Koroleva 1959 trilobite
 Trinucleida - Raphiophoridae
Ampyx sp.
Ampyx sp. Dalman 1827 trilobite
 Trinucleida - Trinucleidae
Nankinolithus sp.
Nankinolithus sp. Lu 1957 trilobite
 Ptychopariida - Shumardiidae
Shumardia sp.
Shumardia sp. Billings 1862 trilobite