Where: Xinjiang, China (40.6° N, 79.5° E: paleocoordinates 30.6° S, 118.1° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Eoplacognathus suecicus conodont zone, Dawangou Formation, Llanvirn (468.0 - 458.4 Ma)
• part of bed 11 of Zhou et al 2014
Environment/lithology: slope; lithified, shelly/skeletal, gray grainstone and nodular lime mudstone
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 170842: authorized by Melanie Hopkins, entered by Melanie Hopkins on 27.06.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
| Trilobita | |
Birmanites brevicus, Gog yangtzeensis, Mioptychopyge trinodosa, Liomegalaspides major, Zhenganites xinjiangensis
Birmanites brevicus Xiang and Zhou 1987 trilobite
Liomegalaspides major Zhang 1981 trilobite | |
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Pseudocalymene quadrata Lu 1975 trilobite | |
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Nanillaenus ? primitivus trilobite | |
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