Unit 15, Zhitai Fm., Yanheganxi and Yanhe, Guizhou Prov., China (Ordovician of China)

Where: Guizhou, China (29.0° N, 109.0° E: paleocoordinates 16.5° N, 138.4° E)

• local area-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified 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 4765: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 19.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Pentamerida - Tetralobulidae
Punctolira sp.
 Pentamerida - Clarkellidae
Yangtzeella sp.
Yangtzeella sp. Kolarova 1925
 Orthida - Paurorthidae
Paurorthis sp.
Paurorthis sp. Schuchert and Cooper 1931
Artiopoda
 Agnostida - Metagnostidae
Geragnostus sp.
Geragnostus sp. Howell 1935
Trilobita
 Corynexochida - Leiostegiidae
"Eucalymene sp." = Pseudocalymene
"Eucalymene sp." = Pseudocalymene Pillet 1974 trilobite
 Asaphida - Asaphidae
Megalaspides sp.
Megalaspides sp. Brögger 1886 trilobite
 Phacopida - Pliomeridae
Encrinurella sp.
Encrinurella sp. Reed 1915 trilobite
Pterobranchia
 Graptoloidea - Dichograptidae
Clonograptus sp., Didymograptus sp.
Clonograptus sp. Nicholson 1873 graptolite
Didymograptus sp. McCoy 1851 graptolite