Unit 26, Lenshuigou, Wenshan: Early/Lower Llanvirn, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pterobranchia - Dendroidea - Acanthograptidae
Dictyonema sp. Hall 1851
Pterobranchia - Graptoloidea - Diplograptidae
Amplexograptus sp.
Pterobranchia - Cyclograptidae
Reticulograptus sp.
Sphaeronitidae
Sphaeronites sp. Hisinger 1828
Aristocystitidae
Aristocystites sp. Barrande 1887
Sinocystis sp.
Rhynchonellata - Orthida - Plaesiomyidae
Multicostella sp.
Plaesiomys sp. Hall and Clarke 1892
Rhynchonellata - Orthida - Productorthidae
Nicolella sp. Reed 1917
Rhynchonellata - Pentamerida - Porambonitidae
Porambonites sp. Pander 1830
Strophomenata - Strophomenida - Leptestiidae
Leptestia sp. Bekker 1922
Strophomenata - Strophomenida - Leptellinidae
Leptelloidea sp. Jones 1928
Strophomenata - Strophomenida - Strophomenidae
Rhipidomena sp. Cooper 1956
Cephalopoda - Tarphycerida - Trocholitidae
Trocholites sp. Conrad 1838
Cephalopoda - Endocerida - Endoceratidae
Vaginoceras sp. Hyatt 1884
Trilobita - Asaphida - Remopleurididae
Remopleurides sp. Portlock 1843
Trilobita - Corynexochida - Illaenidae
Illaenus sp. Dalman 1827
Trilobita - Phacopida - Calymenidae
Calymenesum sp. (Kobayashi 1951)
Calymenesun
Trilobita - Phacopida - Encrinuridae
Atractopyge sp. Hawle and Corda 1847
Trilobita - Phacopida - Pliomeridae
Hammatocnemis sp. Kielan 1960
synonym of Ovalocephalus
Trilobita - Proetida - Telephinidae
Telephina sp. Marek 1952
Trilobita - Harpetida - Harpetidae
Selenoharpes sp. Whittington 1950
synonym of Scotoharpes
see common names

Geography
Country:China State/province:Yunnan
Coordinates: 23.0° North, 104.0° East (view map)
Paleocoordinates:21.5° North, 132.6° East
Geographic resolution:local area
Time
Period:Ordovician Epoch:Middle Ordovician
10 m.y. bin:Ordovician 2-3
*Period:Middle Ordovician *Epoch:Early/Lower Llanvirn
*International age/stage:Early/Lower Llanvirn
Key time interval:Early/Lower Llanvirn
Age range of interval:468.40000 - 461.30000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Lengshuigou
Local section:26 Local bed:X
Stratigraphic resolution:group of beds
Stratigraphy comments: PJW: Was spelled Lenshuigou.
Lithology and environment
Primary lithology: lithified argillaceous "limestone"
Secondary lithology: sandstone
Lithology description: muddy limestone and sandstone
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:species names
Reason for describing collection:biostratigraphic analysis
Metadata
Also known as:Lengshuigou; Unit 26, Lenshuigou Fm., Lenshuigou Wenshan, Yunnan Prov., China
Database number:5423
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Modifier:P. Wagner Research group:marine invertebrate
Created:1999-10-02 16:31:08 Last modified:2019-08-30 00:25:19
Access level:the public Released:1999-10-02 16:31:08
Creative Commons license:CC BY
Reference information

Primary reference:
288. 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]