Where: Xinjiang, China (35.8° N, 76.8° E: paleocoordinates 25.7° S, 60.6° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Shaksgam Formation, Roadian (272.3 - 268.8 Ma)
• No stratigraphic details given in primary reference, but most likely from member 1 of the Shaksgam Formation (sparse brachiopods are also present higher in the formation). Presence of fusulinids Monodiexodina, Minojapanella wutuensis, Parafusulina japonica, and Boultonia suggests an early Guadalupian age for those units.
• bed-level stratigraphic resolution
Environment/lithology: open shallow subtidal; lithified limestone
Size class: macrofossils
Collected by A. Desio in 1929
• 1929 Italian expedition to the Karakorum
Primary reference: N. Fantini Sestini. 1965. Permian fossils of the Shaksgam Valley. Italian Expeditions to the Karakorum (K2) and Hindu Kush. IV - Paleontology-Zoology-Botany 149-218 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 123272: authorized by Matthew Clapham, entered by Matthew Clapham on 17.01.2012, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Foraminifera | |
Parafusulina japonica Guembel 1874
Monodiexodina sp. Sosnina 1956 | |
Boultonia sp. Lee 1927 | |
Cephalopoda | |
? Gastrioceras sp. Hyatt 1884 ammonite | |
Rhynchonellata | |
Stenoscisma sp., "Stenoscisma biplicata" = Stenoscisma biplicatum, Stenoscisma purdoni, Stenoscisma pinguis
Stenoscisma sp. Conrad 1839
"Stenoscisma biplicata" = Stenoscisma biplicatum Stuckenberg 1898
Stenoscisma purdoni Davidson 1862
Stenoscisma pinguis Waagen 1883 | |
Terebratuloidea davidsoni Waagen 1883 | |
Uncinunellina timorensis Beyrich 1865 | |
"Neophricodothyris asiatica" = Phricodothyris asiatica
"Neophricodothyris asiatica" = Phricodothyris asiatica Chao 1929 | |
Neospirifer fasciger Keyserling 1846 | |
Purdonella merlai n. sp.
Purdonella merlai n. sp. Fantini Sestini 1965 | |
Enteletina cf. acuteplicata, Enteletes cf. elegans, Enteletes waageni, "Enteletes dieneri" = Enteletes tschernyscheffi, Enteletes subaequivalvis, Enteletes meridionalis
Enteletina cf. acuteplicata Waagen 1884
Enteletes cf. elegans Gemmellaro 1899
Enteletes waageni Gemmellaro 1899
Enteletes subaequivalvis Gemmellaro 1899
Enteletes meridionalis Gemmellaro 1899 | |
"Schizophoria" sp. King 1850
Orthotichia morganiana Derby 1874 | |
Whitspakia cf. biplex Waagen 1882 | |
Strophomenata | |
"Paramarginifera cf. himalayensis" = Lamnimargus himalayensis
"Paramarginifera cf. himalayensis" = Lamnimargus himalayensis Diener 1899 | |
"Paramarginifera cf. gobiensis" = Marginifera gobiensis, "Marginifera cf. typica" = Marginifera (Marginifera) typica
"Paramarginifera cf. gobiensis" = Marginifera gobiensis Chao 1927
"Marginifera cf. typica" = Marginifera (Marginifera) typica Waagen 1884 | |
Chaoiella gruenewaldti Krotov 1888
Krotovia sp. Fredericks 1928 | |
Reticulatia cf. transversalis Tschernyschew 1902
Reticulatia moelleri Stuckenberg 1898
Costiferina spiralis Waagen 1884 | |
"Echinoconchus fasciatus" = Karavankina fasciata, "Echinoconchus" punctatus, Waagenoconcha humboldti, "Waagenoconcha cf. abichi" = Waagenoconcha (Gruntoconcha) abichi
"Echinoconchus fasciatus" = Karavankina fasciata Kutorga 1844
"Echinoconchus" punctatus Martin 1809
Waagenoconcha humboldti d'Orbigny 1842
"Waagenoconcha cf. abichi" = Waagenoconcha (Gruntoconcha) abichi Waagen 1884 | |
Compressoproductus sp. Sarytcheva 1960 | |
Cancrinella cancriniformis Tschernyschew 1889
Linoproductus sp. Chao 1927 | |
Tschernyschewia typica Stoyanow 1910 |