Tongzhi Fm., Wanzu, Pengshui Co., Sichuan Prov., China ( of China)

Where: Sichuan, China (29.0° N, 109.0° E: paleocoordinates 19.4° N, 143.2° E)

• local area-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, dolomitic limestone and shale

• limestone, shale, and dolostone

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 7664: 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
Trilobita
 Asaphida - Remopleurididae
Lohanpopsis sp.
Lohanpopsis sp. Lu 1965 trilobite
 Asaphida - Asaphidae
Psilocephalina sp., Asaphellus sp.
Psilocephalina sp. Hsu 1948 trilobite
Asaphellus sp. Callaway 1877 trilobite
 Asaphida - Taihungshaniidae
Tungtzuella sp., Asaphopsis sp., Taihungshania sp.
Tungtzuella sp. Lu 1957 trilobite
Asaphopsis sp. Mansuy 1920 trilobite
Taihungshania sp. Sun 1931 trilobite
 Asaphida - Hungaiidae
Dactylocephalus sp.
Dactylocephalus sp. Hsu 1948 trilobite
 Ptychopariida - Shumardiidae
Shumardia sp.
Shumardia sp. Billings 1862 trilobite
 Corynexochida - Leiostegiidae
"Szechuanella sp." = Pseudocalymene
"Szechuanella sp." = Pseudocalymene Pillet 1974 trilobite
Artiopoda
 Agnostida - Metagnostidae
Geragnostus sp.
Geragnostus sp. Howell 1935
Rhynchonellata
 Orthida - Finkelnburgiidae
Finkelnburgia sp.
Finkelnburgia sp. Walcott 1905
Pterobranchia
 Dendroidea - Acanthograptidae
Acanthograptus sp.