Unit 26, Lenshuigou, Wenshan (Ordovician of China)

Also known as Lengshuigou; Unit 26, Lenshuigou Fm., Lenshuigou Wenshan, Yunnan Prov., China

Where: Yunnan, China (23.0° N, 104.0° E: paleocoordinates 21.5° N, 132.6° E)

• local area-level geographic resolution

When: Lengshuigou Formation, Early/Lower Llanvirn (466.0 - 463.5 Ma)

• PJW: Was spelled Lenshuigou.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, argillaceous limestone and sandstone

• muddy limestone and sandstone

Size class: macrofossils

Primary reference: R. Wang. 1981. Stratigraphic Summary of the Southwestern Region of China. Institute of Geology and Mine Deposit at Chengdu, Ministry of Geology (not published, copy of article deposited with A. I. Miller at the University of Cincinnati, received through S. Mao) 14-61 [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 5423: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 02.10.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

 Graptoloidea - Diplograptidae
  - Cyclograptidae
 Dendroidea - Dendrograptidae
Dictyonema sp. Hall 1851 graptolite
 Sphaeronitida - Aristocystitidae
 Sphaeronitida - Sphaeronitidae
Sphaeronites sp. Hisinger 1828
 Endocerida - Endoceratidae
Vaginoceras sp. Hyatt 1884
 Tarphycerida - Trocholitidae
Trocholites sp. Conrad 1838
 Strophomenida - Strophomenidae
Rhipidomena sp. Cooper 1956
 Strophomenida - Leptellinidae
Leptelloidea sp. Jones 1928
 Strophomenida - Leptestiidae
Leptestia sp. Bekker 1922
 Orthida - Productorthidae
Nicolella sp. Reed 1917
 Orthida - Plaesiomyidae
Plaesiomys sp. Hall and Clarke 1892
 Pentamerida - Porambonitidae
Porambonites sp. Pander 1830
 Harpetida - Harpetidae
"Selenoharpes sp." = Scotoharpes
"Selenoharpes sp." = Scotoharpes Lamont 1948 trilobite
 Proetida - Telephinidae
Telephina sp. Marek 1952 trilobite
 Phacopida - Calymenidae
"Calymenesum sp." = Calymenesun
"Calymenesum sp." = Calymenesun Kobayashi 1951 trilobite
 Phacopida - Pliomeridae
"Hammatocnemis sp." = Ovalocephalus
"Hammatocnemis sp." = Ovalocephalus Koroleva 1959 trilobite
 Phacopida - Encrinuridae
Atractopyge sp. Hawle and Corda 1847 trilobite
 Corynexochida - Illaenidae
Illaenus sp. Dalman 1827 trilobite
 Asaphida - Remopleurididae
Remopleurides sp. Portlock 1843 trilobite