8 km north of Jiangshan (Cambrian of China)

Where: Zhejiang, China (28.8° N, 118.6° E: paleocoordinates 15.1° N, 142.3° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Micragnostus chiushuensis trilobite zone, Siyangshan Formation, Furongian (497.0 - 485.4 Ma)

• 2 to 3 m below the Lotagnostus hedini Zone and a few metres above the Lotagnostus punctatus-Hedinaspis Zone

• formation-level stratigraphic resolution

Environment/lithology: lithified, black limestone

• The cephalopod-bearing bed is a black limestone, 0.2 to 0.3 m in thickness
• black limestone

Size classes: macrofossils, mesofossils

Primary reference: J.-y. Chen and D.-l. Qi. 1981. Upper Cambrian cephalopods from western Zhejiang. Geological Society of America Special Papers 187:137-142 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 233233: authorized by Pete Wagner, entered by Pete Wagner on 24.01.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ellesmerocerida - Huaiheceratidae
Huaiheceras hanjiaense Zou and Chen 1979
Zhuibianoceras conicum n. gen. n. sp. Chen and Qi 1981
 Ellesmerocerida - Ellesmeroceratidae
"Ectenolites penecilin" = Ectenolites clelandi, Ectenolites primus
"Ectenolites penecilin" = Ectenolites clelandi Ulrich et al. 1944
Ectenolites primus Flower 1964
 Ellesmerocerida - Acaroceratidae
Acaroceras endogastrum Chen et al. 1979
Acaroceras jianghsanense n. sp. Chen and Qi 1981
Given as Acaroceras n. sp. elongatum on species list!