Where: Xinjiang, China (40.6° N, 79.5° E: paleocoordinates 27.6° S, 121.5° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Amorphognathus variabilis conodont zone, Dawangou Formation, Arenig (478.6 - 466.0 Ma)
Environment/lithology: slope; lithified, glauconitic, shelly/skeletal, gray grainstone and chert
Size class: macrofossils
Collected in 1987; reposited in the NIGPAS, UNSM
• 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, W. T. Dean, W. Yuan and T. Zhou. 1998. Ordovician trilobites from the Dawangou Formation, Kalpin, Xinjiang, north-west China. Palaeontology 41(4):693-735 [M. Hopkins/M. Hopkins]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 170838: authorized by Melanie Hopkins, entered by Melanie Hopkins on 27.06.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
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Carolinites ichangensis Lu 1975 trilobite | |
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Mioptychopyge trinodosa, Liomegalaspides major, Birmanites brevicus, Ogmasaphus hannanicus, Zhenganites xinjiangensis
Mioptychopyge trinodosa Zhang 1981 trilobite Abundance reported as 6-15 specimens [Mioptychopyge trinodus]
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Eccoptochile sp. Hawle and Corda 1847 trilobite | |