Xiukang Limestone Block, Lhaze County (Permian of China)

Where: Xizang, China (29.1° N, 88.0° E: paleocoordinates 27.4° S, 68.7° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Quxia Formation, Capitanian (264.3 - 259.5 Ma)

• Association with Timorites and presence of Urushtenoidea suggests Capitanian age.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, massive, gray, red limestone

• Seamount in Neotethys
• Gray to purple limestone without evident bedding planes and laminations

Size class: macrofossils

Collected by D.L. Sun

Primary reference: S. Z. Shen, D. L. Sun, and G. R. Shi. 2003. A biogeographically mixed late Guadalupian (late Middle Permian) brachiopod fauna from an exotic limestone block at Xiukang in Lhaze county, Tibet. Journal of Asian Earth Sciences 21:1125-1137 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 117547: authorized by Matthew Clapham, entered by Matthew Clapham on 24.09.2011, edited by Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferida - Elythidae
"Squamularia elegantula" = Permophricodothyris elegantula, Squamularia sp.
"Squamularia elegantula" = Permophricodothyris elegantula Waagen 1883
Squamularia sp. Gemmellaro 1899
 Spiriferida - Trigonotretidae
Simplicisulcus sp. Waterhouse 2002
 Athyridida - Neoretziidae
Hustedia xainzaensis Zhan and Wu 1982
 Terebratulida - Dielasmatidae
Fletcherithyris sp. Campbell 1965
Dielasmina xizangensis Jin and Sun 1981
 Terebratulida - Notothyrididae
"Notothyris mediterranea" = Rostranteris mediterraneum
"Notothyris mediterranea" = Rostranteris mediterraneum Gemmellaro 1899
 Spiriferinida - Spiriferellinidae
 Rhynchonellida - Stenoscismatidae
Stenoscisma sp. Conrad 1839
 Rhynchonellida - Psilocamaridae
"Stenoscisma timorense" = Bicamella timorensis, ? Goleomixa sp.
"Stenoscisma timorense" = Bicamella timorensis Hayasaka and Gan 1940
? Goleomixa sp. Grant 1976
 Rhynchonellida - Wellerellidae
 Rhynchonellida - Pontisiidae
Pontisia exoria Grant 1976
Strophomenata
 Productida - Aulostegidae
 Productida -
Marginifera sp. Waagen 1884
 Productida - Paucispiniferidae
 Orthotetida - Derbyiidae
Derbyia sp. Waagen 1884