Lower 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: deep subtidal shelf; lithified, gray, yellow shale

• yellow to yellowish brown and light gray shale

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 7844: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 04.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Orthida - Archaeorthidae
Nothorthis sp. Ulrich and Cooper 1938
Trilobita
 Asaphida - Taihungshaniidae
Taihungshania sp. Sun 1931 trilobite
 Asaphida - Asaphidae
Paramegalaspis sp. Thoral 1935 trilobite
Isoteloides sp. Raymond 1910 trilobite
 Proetida - Telephinidae
Carolinites sp. Kobayashi 1940 trilobite
Pterobranchia
 Graptoloidea - Dichograptidae
Didymograptus sp. McCoy 1851 graptolite