Unit 17, 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, green, yellow shale

• Yellow-green 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 4763: 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
Strophomenata
 Strophomenida - Taffiidae
Leptella sp.
Leptella sp. Hall and Clarke 1892
Rhynchonellata
 Pentamerida - Tetralobulidae
Punctolira sp., Doloresella sp., Syntrophopsis sp.
 Pentamerida - Clarkellidae
Yangtzeella sp., Clarkella sp.
Yangtzeella sp. Kolarova 1925
Clarkella sp. Walcott 1908
 Orthida - Paurorthidae
Paurorthis sp.
Paurorthis sp. Schuchert and Cooper 1931
 Orthida - Plectorthidae
Desmorthis sp., Mimella sp.
Desmorthis sp. Ulrich and Cooper 1936
Mimella sp. Cooper 1930
 Orthida - Euorthisinidae
Euorthisina sp.
 Orthida - Orthidae
Sinorthis sp.
Trilobita
 Phacopida - Pliomeridae
Encrinurella sp.
Encrinurella sp. Reed 1915 trilobite
 Asaphida - Asaphidae
Megalaspides sp., Isoteloides sp.
Megalaspides sp. Brögger 1886 trilobite
Isoteloides sp. Raymond 1910 trilobite
 Asaphida - Taihungshaniidae
Taihungshania sp.
Taihungshania sp. Sun 1931 trilobite
 Corynexochida - Leiostegiidae
"Eucalymene sp." = Pseudocalymene
"Eucalymene sp." = Pseudocalymene Pillet 1974 trilobite
Artiopoda
 Agnostida - Metagnostidae
Geragnostus sp., Trinodus sp.
Geragnostus sp. Howell 1935
Trinodus sp. M'Coy 1846
Pterobranchia
 Graptoloidea - Phyllograptidae
Phyllograptus sp.
Phyllograptus sp. Hall 1858 graptolite