Yangtze Gorge [Lower Tianzhushan Mbr, Dengying Fm] (Cambrian of China)

Where: Hubei, China (30.8° N, 111.3° E: paleocoordinates 29.0° N, 160.4° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Tianzhushan Member (Dengying Formation), Nemakit-Daldynian (541.0 - 530.0 Ma)

• The grouping of beds is 2-3m thick. AGE: Nemakit-Daldynian; refined by A. Hendy (6/2009) on the basis of biostratigraphic data.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, silty dolomite

• silty dolomite

Preservation: soft parts

Collection methods: Description comes from description of the supplimentary diagrammatic section of the Eastern Yangtze Gorge area (Fig. 4).

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 10499: authorized by Mark Patzkowsky, entered by Phil Borkow on 14.05.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Protoconodonta
  -
Protohertzina sp. Missarzhevsky 1973
[entered as Protohertizina sp.]
Hyolitha
 Orthothecida - Circothecidae
Circotheca sp. Syssoiev 1958
Anabarites
  - Anabaritidae
Anabarites sp. Voronova and Missarzhevsky 1969