Liexi fauna (Ordovician of China)

Where: Hunan, China (28.8° N, 109.8° E: paleocoordinates 16.6° N, 138.8° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Prioniodus honghuayuanensis trilobite zone, Madaoyu Formation, Floian (477.7 - 470.0 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

• "transitional zone between the carbonate platform and the upper slope"
• "a succession of thin- to medium-bedded bioclastic packstone intercalated with some extremely thin layers of calcareous mudstone, which is 1–2 mm thick"

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: CC BY (attribution)

Taxonomic list

Hydrozoa
 Hydroida -
Inocaulis sp. Hall 1852
Mis-spelled "Innocaulis sp."
Scyphozoa
 Conulariida -
Conulariida indet. Miller and Gurley 1896 jellyfish
unclassified
  -
Porifera indet. Grant 1836
Demospongea
  -
"Demospongea indet." = Demospongiae
"Demospongea indet." = Demospongiae Sollas 1875 demosponge
Conodonta
 Protopanderodontida - Serratognathidae
 Prioniodontida -
Paracordylodus gracilis Lindström 1955 conodont
 Prioniodontida - Balognathidae
 Prioniodontida - Rhipidognathidae
 Prioniodontida - Acodontidae
Pterobranchia
 Dendroidea - Dendrograptidae
Dendrograptus hallians graptolite
Dendrograptus hallians moneymakeri
 Dendroidea - Acanthograptidae
Dictyonema sp. Hall 1851 graptolite
 Graptoloidea - Dichograptidae
Clonograptus flexilis Hall 1858 graptolite
 Graptoloidea - Anisograptidae
Rhombifera
 Rhombifera -
Rhombifera indet. Zittel 1879
Cyclocystoidea
  -
? Cyclocystoidea indet. Miller and Gurley 1895
Cyclocystoid-like
Stenolaemata
 Cryptostomata - Rhinidictyidae
Prophyllodictya sp. Gorjunova and Lavrentjeva 1987
Strophomenata
 Billingsellida - Polytoechiidae
Tritoechia sp. Ulrich and Cooper 1936
 Billingsellida - Tritoechiidae
Pomatotrema sp. Ulrich and Cooper 1932
Lingulata
 Lingulida - Obolidae
Obolus sp. Eichwald 1829
Palaeoglossa sp. Cockerell 1911
Polychaeta
 Machaeridia -
  -
Trilobita
 Trinucleida - Raphiophoridae
Ampyx sp. Dalman 1827 trilobite
 Asaphida -
Asaphida indet. Salter 1864 trilobite
 Asaphida - Asaphidae
"Niobella sp." = Niobe (Niobella)
"Niobella sp." = Niobe (Niobella) Reed 1931 trilobite
 Corynexochida - Leiostegiidae
Annamitella sp. Mansuy 1920 trilobite
Pseudocalymene sp. Pillet 1974 trilobite
 Phacopida - Cheiruridae
Cheiruridae indet. Hawle and Corda 1847 trilobite
 Phacopida - Pliomeridae
Liexiaspis sp. Liu 1982 trilobite
Ovalocephalus sp. Koroleva 1959 trilobite
Artiopoda
 Agnostida -
Agnostida indet. Salter 1864
 Archaeopriapulida - Ottoidae
? Ottoia sp. Walcott 1911
Either Ottoia or Eldonia-like
Palaeoscolecida
  -
Palaeoscolecida indet. Conway-Morris and Robison 1986