Where: Xinjiang, China (40.6° N, 79.5° E: paleocoordinates 32.8° S, 115.4° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Nemograptus gracilis graptolite zone, Saergan Formation, Sandbian (458.4 - 453.0 Ma)
• one of upper collections in bed 14
Environment/lithology: basinal (); lithified, black mudstone and lithified lime mudstone
Size class: macrofossils
Collected in 1987; reposited in the NIGPAS
Collection methods: surface (in situ), mechanical,
• Collection made as part of an extensive field investigation of the periphery of the Tarim Basin by geologists of the Nanjing Institute of Geology and Palaeontology, Academia Sinica, and the 05 Project Administration, Bureau of Petroleum Geology of Southwest China.
Primary reference: Z. Zhou, G. Yin, and Z. Zhou. 2014. Ordovician (Darriwilian-early Katian) trilobite faunas of northwestern Tarim, Xinjiang, China. Memoirs of the Association of Australasian Palaeontologists 46:1-142 [M. Hopkins/M. Hopkins]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 188342: authorized by Melanie Hopkins, entered by Melanie Hopkins on 29.08.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Artiopoda | |
Sphaeragnostus cf. similaris Barrande 1872 | |
Geragnostus (Novoagnostus) contractus Zhou et al. 2014 | |
Trilobita | |
Telephina brevica trilobite
Telephina cf. angulata Yi 1957 trilobite | |
Taklamakania xinjiangensis Zhang 1981 trilobite
Nanshanaspis tarimuensis Zhang 1981 trilobite
Endymionia semielliptica Chang and Fan 1960 trilobite | |
Paraperaspis dawangouensis Zhou et al. 2014 trilobite | |
Microparia (Quadratapyge) chedaoensis Zhou and Dean 1986 trilobite [Microparia (Quadratapyge) cheadaoensis]
| |
Birmanites kanlingensis Zhang 1981 trilobite
Lisogorites aff. scutelloides trilobite
Lisogorites tarimensis Zhang 1981 trilobite | |
Shumardia tarimuensis Zhang 1981 trilobite |