Zs4 (Ordovician to of China)

Where: China (41.7° N, 102.6° E: paleocoordinates 22.3° S, 130.4° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Phragmodus undatus conodont zone, Badainjaran Formation, Gisbornian to Gisbornian (458.4 - 449.5 Ma)

• sampled from unit 7

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, shelly/skeletal, sandy limestone and lithified sandstone

• Greyish-purple, thin-bedded, calcareous siltstones and fine-graned sublitharenite, intercalated with thin-bedded, sandy bioclastic limestone near the top.

Size classes: macrofossils, mesofossils

Reposited in the NIGPAS

Collection methods: surface (in situ), mechanical,

Primary reference: Z. Q. Zhou and Z. Y. Zhou. 2006. Late Ordovician trilobites from the Zhusilenghaierhan area, Ejin Banner, western Inner Mongolia, China. Memoirs of the Association of Australasian Palaeontologists 32:383-411 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 187885: authorized by Melanie Hopkins, entered by Melanie Hopkins on 15.08.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

• Also contains brachiopods and corals. An Taixiang identified the conodonts.
Show authors, comments, and common names
Conodonta
 Prioniodontida -
Aphelognathus sp., Phragmodus undatus
 Panderodontida - Panderodontidae
Panderodus sp., Belodina compressa
Panderodus sp. Ethington 1959 conodont
Belodina compressa Branson and Mehl 1933 conodont
Trilobita
 Asaphida - Asaphidae
Basilicus (Basiliella) sp.
Basilicus (Basiliella) sp. Kobayashi 1934 trilobite