Where: Hunan, China (28.8° N, 109.8° E)
• Paleocoordinates: 14.7° S, 88.0° E (Wright 2013)
• coordinate estimated from map
• small collection-level geographic resolution
When: Prioniodus honghuayuanensis trilobite zone, Madaoyu Formation, Floian (477.1 - 471.3 Ma)
• "early–mid-Floian (Early Ordovician) age." "upper part of the Madaoyu Formation"
• group of beds-level stratigraphic resolution
Environment/lithology: deep subtidal shelf; lithified packstone and lime mudstone
Size classes: macrofossils, mesofossils
Preservation: adpression, soft parts
Reposited in the NIGPAS
Collection methods: quarrying,
Primary reference: X. Fang, Y. Mao, Q. Liu, W. Yuan, Z. Chen, R. Wu, L. Li, Y. Zhang, J. Ma, W. Wang, R. Zhan, S. Peng, Y. Zhang and D. Huang. 2022. The Liexi fauna: a new Lagerstätte from the Lower Ordovician of South China. Proceedings of the Royal Society B: Biological Sciences 289(1978):20221027 [P. Novack-Gottshall/P. Novack-Gottshall]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 226639: authorized by Phil Novack-Gottshall, entered by Phil Novack-Gottshall on 19.07.2022
Creative Commons license: CC0 (CC0)
Taxonomic list
| Conodonta | |
|
Paracordylodus gracilis Lindström 1955 conodont | |
|
Rhipidognathus yichangensis conodont
Bergstroemognathus extensus conodont | |
|
Prioniodus honghuayuanensis conodont | |
|
Acodus triangularis conodont | |
|
Serratognathus diversus conodont | |
Cheirocystis liexiensis n. sp.
Cheirocystis liexiensis n. sp. Liu et al. 2024 | |
| Cyclocystoidea | |
|
| |
| Pterobranchia | |
|
Dictyonema delicatulum graptolite
Dictyonema sp. Hall 1851 graptolite | |
|
| |
|
Clonograptus flexilis Hall 1858 graptolite | |
|
Araneograptus cf. pulchellus graptolite | |
| Palaeoscolecida | |
|
Palaeoscolecida indet. Conway-Morris and Robison 1986 | |
|
| |
| Artiopoda | |
|
Agnostida indet. Salter 1864 artiopod | |
|
Liexiaspis sp. Liu 1982 trilobite
Ovalocephalus sp. Koroleva 1959 trilobite | |
|
Cheiruridae indet. Hawle and Corda 1847 trilobite | |
|
Asaphida indet. Salter 1864 trilobite | |
"Niobella sp." = Niobe (Niobella)
"Niobella sp." = Niobe (Niobella) Reed 1931 trilobite | |
|
Ampyx sp. Dalman 1827 trilobite | |
|
Pseudocalymene sp. Pillet 1974 trilobite
Annamitella sp. Mansuy 1920 trilobite | |
| Polychaeta | |
|
Machaeridia indet. scale worm | |
| Strophomenata | |
|
Pomatotrema sp. Ulrich and Cooper 1932 | |
|
Tritoechia sp. Ulrich and Cooper 1936 | |
| Lingulata | |
|
Palaeoglossa sp. Cockerell 1911
Obolus sp. Eichwald 1829 | |
| Stenolaemata | |
|
Prophyllodictya sp. Gorjunova and Lavrentjeva 1987 | |
| Hydrozoa | |
|
| |
| Scyphozoa | |
|
Conulariida indet. Miller and Gurley 1896 jellyfish | |
|
Sphenothallus sp. Hall 1847 jellyfish | |
| unclassified | |
|
Porifera indet. Grant 1836 | |
| Demospongea | |
"Demospongea indet." = Demospongiae
"Demospongea indet." = Demospongiae Sollas 1875 demosponge | |