Section near Hengtang quarry ( of China)

Where: Zhejian, China (28.8° N, 118.6° E: paleocoordinates 12.2° N, 137.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Clonograptus tenellus graptolite zone, Middle Member (Yinchufu Formation), Tremadoc (486.5 - 477.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; shale

Size class: macrofossils

Primary reference: N. Han. 1983. Lower Ordovician trilobites from the Yinchufu Formation of Jiangshan, W. Zhejiang. Acta Palaeontologica Sinica 22,:571-576 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 235380: authorized by Pete Wagner, entered by Pete Wagner on 03.07.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Artiopoda
 Agnostida - Metagnostidae
Trilobita
 Corynexochida - Leiostegiidae
"Szechuanella sp." = Pseudocalymene
"Szechuanella sp." = Pseudocalymene Pillet 1974 trilobite
 Olenida - Olenidae
Hypermecaspis asiatica n. sp. Han 1983 trilobite
 Olenida - Eulomidae
 Asaphida - Remopleurididae
 Asaphida - Asaphidae
"Niobella sp." = Niobe (Niobella) Reed 1931 trilobite
 Asaphida - Nileidae
 Asaphida - Cyclopygidae
 Ptychopariida - Shumardiidae
Shumardia sp. Billings 1862 trilobite