BaiYunShan Fm., WuLanWuLa and EJiNaQi Counties, GanSu Prov., China (Ordovician of China)

Where: GanSu, China (42.0° N, 101.0° E: paleocoordinates 25.3° S, 126.5° E)

• local area-level geographic resolution

When: BaiYunShan Formation, Ashgill (449.5 - 443.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, argillaceous, silty sandstone and limestone

• purplish red muddy siltstone and sandstone at top, dark gray brecciated limestone and siliceous limestone in middle, and gray sandstone and purplish red quartz sandstone at bottom

Primary reference: Stratigraphic Group of Quing Hai Province. 1980. Regional stratigraphic tables of the north western China region: Volume of NinXia Province. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 8546: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 01.08.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Brachyellasma sp.
Strophomenata
 Strophomenida - Sowerbyellidae
Sowerbyella sp.
Sowerbyella sp. Jones 1928
Rhynchonellata
 Atrypida - Anazygidae
Zygospira sp.
Zygospira sp. Hall 1862
 Protorthida - Skenidiidae
Skenidioides sp.
Skenidioides sp. Schuchert and Cooper 1931
 Rhynchonellida - Trigonirhynchiidae
Rostricellula sp.
Rostricellula sp. Ulrich and Cooper 1942
Gastropoda
 Murchisoniina - Gosseletinidae
Stenoloron sp.
Stenoloron sp. Oehlert and Oehlert 1888 snail
Anthozoa
 Rugosa -
Orthophyllum sp.
Orthophyllum sp. Pocta 1902 horn coral
 Stauriida - Amplexidae
Protopilophyllum sp.
Protopilophyllum sp. Ivanovskiy 1963 horn coral
 Favositida - Favositidae
Mesofavosites sp., Paleofavosites sp., Favosites sp.
Mesofavosites sp. Sokolov 1951 tabulate coral
Paleofavosites sp. Twenhofel 1914 tabulate coral
Favosites sp. Lamarck 1816 tabulate coral
 Heliolitida - Plasmoporellidae
Plasmoporella sp.
Plasmoporella sp. Kiaer 1899 tabulate coral
 Heliolitida - Proporidae
Propora sp.
Propora sp. Milne-Edwards and Haime 1849 tabulate coral
 Heliolitida - Halysitidae
Halysites sp.
Halysites sp. von Waldheim 1813 tabulate coral