Guniutan Fm., WenTang, Dayong Co., Hunan Province, China (Ordovician of China)

Where: Hunan, China (29.0° N, 110.0° E: paleocoordinates 11.5° N, 131.9° E)

• local area-level geographic resolution

When: Guniutan Formation, Llandeilo (461.1 - 458.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, gray, green limestone

• grayish green to purplish red limestone with mud cracks and grayish green nodular limestone

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 7690: 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
  -
Hyoostrama sp.
Artiopoda
 Agnostida - Metagnostidae
Geragnostus sp.
Geragnostus sp. Howell 1935
Trilobita
 Corynexochida - Illaenidae
Illaenus sp.
Illaenus sp. Dalman 1827 trilobite
 Trinucleida - Raphiophoridae
Ampyx sp.
Ampyx sp. Dalman 1827 trilobite
 Asaphida - Asaphidae
Birmanites sp.
Birmanites sp. Sheng 1934 trilobite
 Asaphida - Nileidae
Nileus sp.
Nileus sp. Dalman 1827 trilobite
 Asaphida - Cyclopygidae
Cyclopyge sp.
Cyclopyge sp. Hawle and Corda 1847 trilobite
Lingulata
 Acrotretida - Acrotretidae
Acrotreta sp.
Acrotreta sp. Kutorga 1848
Cephalopoda
 Endocerida - Endoceratidae
Dideroceras sp., Endoceras sp., Vaginoceras sp.
Dideroceras sp. Flower 1950
Endoceras sp. Hall 1847
Vaginoceras sp. Hyatt 1884
 Lituitida - Lituitidae
Trilacinoceras sp.
Trilacinoceras sp. Sweet 1958
 Orthocerida - Baltoceratidae
Cochlioceras sp.
Cochlioceras sp. Eichwald 1860
 Orthocerida - Kionoceratidae
Kionoceras sp.
Kionoceras sp. Hyatt 1884
 Orthocerida - Orthoceratidae
Orthoceras sp., Michelinoceras sp., Sinoceras sp.
Orthoceras sp. Breynius 1832
Michelinoceras sp. Foerste 1932
Sinoceras sp. Shimizu et al. 1935
 Oncocerida - Oncoceratidae
Richardsonoceras sp.
Richardsonoceras sp. Foerste 1932