XiLiangSi Fm., GuaBaoYan, NanZheng Co., ShanXi Prov., China (Ordovician of China)

Where: ShanXi, China (33.0° N, 106.0° E: paleocoordinates 16.2° N, 143.4° E)

• local area-level geographic resolution

When: Xiliangsi Formation, Arenig (478.6 - 466.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, gray, argillaceous limestone

• grayish white to dark gray impure limestone with mud and conglomerate at bottom

Primary reference: Regional Stratigraphic Group of Shanxi Province. 1983. Regional stratigraphic table of Northwest China, Shanxi Province Part. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7886: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 05.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Pterobranchia
 Graptoloidea - Phyllograptidae
Phyllograptus sp. Hall 1858 graptolite
 Graptoloidea - Retiolitidae
Strophomenata
 Strophomenida - Grorudiidae
Trilobita
 Corynexochida - Leiostegiidae
"Eucalymene sp." = Pseudocalymene
"Eucalymene sp." = Pseudocalymene Pillet 1974 trilobite
 Lichida - Lichidae
Metopolichas sp. G├╝rich 1901 trilobite
 Trinucleida - Trinucleidae
"Ichangolithus sp." = Hanchungolithus
"Ichangolithus sp." = Hanchungolithus Lu 1956 trilobite
 Asaphida - Nileidae
Nileus sp. Dalman 1827 trilobite
 Asaphida - Asaphidae
Pseudobasilicus sp. Reed 1930 trilobite
 Phacopida - Calymenidae
Neseuretus sp. Hicks 1873 trilobite
 Phacopida - Encrinuridae
Encrinuroides sp. Reed 1931 trilobite
 Phacopida - Cheiruridae
Actinopeltis sp. Hawle and Corda 1847 trilobite