TangTou Fm., SuSong-TaiHu-HuaiNin Counties, AnHui Prov., China (Ordovician to of China)

Where: AnHui, China (30.0° N, 116.0° E: paleocoordinates 5.0° N, 128.4° E)

• local area-level geographic resolution

When: Tangtou Formation, Actonian to Actonian (454.0 - 449.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, concretionary, shelly/skeletal, calcareous shale and limestone

• calcareous shale with shelly nodular limestone. mud fraction increases from west to east, while calcareous fraction decreases

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 7858: 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
Trilobita
 Trinucleida - Trinucleidae
Nankinolithus sp.
Nankinolithus sp. Lu 1957 trilobite
 Asaphida - Cyclopygidae
Cyclopyge sp.
Cyclopyge sp. Hawle and Corda 1847 trilobite
 Phacopida - Pliomeridae
"Hammatocnemis sp." = Ovalocephalus
"Hammatocnemis sp." = Ovalocephalus Koroleva 1959 trilobite