Location 12 Horizon 5 (Ordovician of China)

Where: Heibei Provence, China (41.0° N, 117.8° E: paleocoordinates 11.5° S, 126.3° E)

• coordinate estimated from map

When: Beianzhuang Formation, Whiterockian (470.0 - 457.3 Ma)

• Widely distributed all over north china platform and ranges from 200-315m thick, correlation with the middle and upper part of the Chiktong Limestone, Whiterockian in age

Environment/lithology: marine; lithified, dolomitic, gray limestone

• Series of massive to thin-bedded white and light grey dolomitic limestone and mottled and burrowed limestones and white dolomites interclasted with doomitic shales in the lower part

Size classes: macrofossils, mesofossils

Preservation: cast

Collection methods: Trilobites only; Beianzhuang formation, location 12 horizon 5, Hebei provence, China

Primary reference: Z. Zhou and R. A. Fortey. 1986. Ordovician trilobites from north and northeastern China. Palaeontographica Abteilung A 192:157-210 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 157266: authorized by Melanie Hopkins, entered by Shaun Mahmood on 11.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Asaphida - Asaphidae
Eoisotelus orientalis
Eoisotelus orientalis Wang 1938 trilobite