Lower section, Tongzhi Fm., ShuangHe, Changnin Co., Sichuan Prov., China ( of China)

Where: Sichuan, China (28.0° N, 105.0° E: paleocoordinates 22.8° N, 144.6° E)

• local area-level geographic resolution

When: Tongzi Formation, Tremadoc (486.5 - 477.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: peritidal; lithified dolomite and limestone

• dolomite and limestone

Primary reference: Sichuan Stratigraphic Work Group. 1978. Regional stratigraphic table of the southwestern region of China, Sichuan part. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7673: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 30.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Paraloshanella sp.
Lingulata
 Lingulida - Obolidae
Lingulella sp.
Lingulella sp. Salter 1866
Rhynchonellata
 Pentamerida - Tetralobulidae
Imbricatia sp.
 Orthida - Plectorthidae
Nanorthis sp.
Nanorthis sp. Ulrich and Cooper 1936
Strophomenata
 Billingsellida - Polytoechiidae
Tritoechia sp.
Tritoechia sp. Ulrich and Cooper 1936
Trilobita
 Asaphida - Asaphidae
Psilocephalina sp.
Psilocephalina sp. Hsu 1948 trilobite
 Asaphida - Taihungshaniidae
Tungtzuella sp.
Tungtzuella sp. Lu 1957 trilobite