Upper section, XiaoTan Fm., ShiNianPan and SanDaoBa, He Co., AnHui Prov., China (Ordovician of China)

Where: AnHui, China (32.0° N, 118.0° E: paleocoordinates 8.3° N, 136.9° E)

• local area-level geographic resolution

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

• group of beds-level stratigraphic resolution

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

• gray to grayish green limestone

Primary reference: Stratigraphic Group of AnHui, China. 1978. Regional stratigraphic table of Eastern China, AnHui Province. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7842: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 04.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Pterobranchia
 Graptoloidea - Phyllograptidae
Phyllograptus sp.
Phyllograptus sp. Hall 1858 graptolite
 Graptoloidea - Dichograptidae
Azygograptus sp., Didymograptus sp.
Azygograptus sp. Nicholson and Lapworth 1875 graptolite
Didymograptus sp. McCoy 1851 graptolite
Lingulata
 Lingulida - Obolidae
Lingulella sp., Westonia sp.
Lingulella sp. Salter 1866
Westonia sp. Walcott 1901
Strophomenata
 Billingsellida - Polytoechiidae
Tritoechia sp.
Tritoechia sp. Ulrich and Cooper 1936
Rhynchonellata
 Orthida - Orthidae
Sinorthis sp.
 Orthida - Archaeorthidae
Nothorthis sp.
Nothorthis sp. Ulrich and Cooper 1938
 Orthida - Plectorthidae
Mimella sp., Desmorthis sp.
Mimella sp. Cooper 1930
Desmorthis sp. Ulrich and Cooper 1936
Trilobita
 Proetida - Hystricuridae
Hystricurus sp.
Hystricurus sp. Raymond 1913 trilobite
 Trinucleida - Raphiophoridae
Ampyx sp.
Ampyx sp. Dalman 1827 trilobite
 Asaphida - Taihungshaniidae
Taihungshania sp.
Taihungshania sp. Sun 1931 trilobite
 Asaphida - Asaphidae
Isoteloides sp.
Isoteloides sp. Raymond 1910 trilobite