Yangtze Gorge [Shuijingtuo Fm] (Cambrian of China)

Where: Hubei, China (30.8° N, 111.3° E: paleocoordinates 25.5° N, 159.3° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Shuijingtuo Formation, Atdabanian (520.0 - 516.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, black shale and lithified siltstone

• silty dolomite

Collection methods: Description comes from description of the supplimentary diagrammatic section of the Eastern Yangtze Gorge area (Fig. 4). The Formation is said to conatin trilobites and bradoriids from its base up.

Primary reference: S. Weiguo. 1986. Late Precambrian Pennatulids (sea pens) from the Eastern Yangtze Gorge, China: Paracharnia gen. nov. Precambrian Research 31:361-375 [M. Patzkowsky/P. Borkow]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 10501: authorized by Mark Patzkowsky, entered by Phil Borkow on 14.05.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

• Only main trilobites are listed.
 Bradoriida - Bradoriidae
Bradoriidae indet. Mathew 1902
Trilobita indet. Walch 1771 trilobite
 Eodiscida - Tsunyidiscidae
"Tsunyidiscus sp." = Tsunyidiscus, "Hupeidiscus sp." = Tsunyidiscus
"Tsunyidiscus sp." = Tsunyidiscus Chang 1966 trilobite
"Hupeidiscus sp." = Tsunyidiscus Chang 1966 trilobite
 Eodiscida - Calodiscidae
Sinodiscus sp. Chang 1974 trilobite