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 | |
Orthotichia morganiana Derby 1874
"Schizophoria" sp. King 1850 | |
"Enteletes dieneri" = Enteletes tschernyscheffi, Enteletes cf. elegans, Enteletes subaequivalvis, Enteletes waageni, Enteletes meridionalis, Enteletina cf. acuteplicata
Enteletes cf. elegans Gemmellaro 1899
Enteletes subaequivalvis Gemmellaro 1899
Enteletes waageni Gemmellaro 1899
Enteletes meridionalis Gemmellaro 1899
Enteletina cf. acuteplicata Waagen 1884 | |
Stenoscisma sp., Stenoscisma purdoni, Stenoscisma pinguis, "Stenoscisma biplicata" = Stenoscisma biplicatum
Stenoscisma sp. Conrad 1839
Stenoscisma purdoni Davidson 1862
Stenoscisma pinguis Waagen 1883
"Stenoscisma biplicata" = Stenoscisma biplicatum Stuckenberg 1898 | |
Uncinunellina timorensis Beyrich 1865 | |
Terebratuloidea davidsoni Waagen 1883 | |
Neospirifer fasciger Keyserling 1846 | |
Purdonella merlai n. sp.
Purdonella merlai n. sp. Fantini Sestini 1965 | |
"Neophricodothyris asiatica" = Phricodothyris asiatica
"Neophricodothyris asiatica" = Phricodothyris asiatica Chao 1929 | |
Whitspakia cf. biplex Waagen 1882 | |
Strophomenata | |
Tschernyschewia typica Stoyanow 1910 | |
"Paramarginifera cf. himalayensis" = Lamnimargus himalayensis
"Paramarginifera cf. himalayensis" = Lamnimargus himalayensis Diener 1899 | |
"Marginifera cf. typica" = Marginifera (Marginifera) typica, "Paramarginifera cf. gobiensis" = Marginifera gobiensis
"Marginifera cf. typica" = Marginifera (Marginifera) typica Waagen 1884
"Paramarginifera cf. gobiensis" = Marginifera gobiensis Chao 1927 | |
Cancrinella cancriniformis Tschernyschew 1889
Linoproductus sp. Chao 1927 | |
Compressoproductus sp. Sarytcheva 1960 | |
Waagenoconcha humboldti, "Waagenoconcha cf. abichi" = Waagenoconcha (Gruntoconcha) abichi, "Echinoconchus" punctatus, "Echinoconchus fasciatus" = Karavankina fasciata
Waagenoconcha humboldti d'Orbigny 1842
"Waagenoconcha cf. abichi" = Waagenoconcha (Gruntoconcha) abichi Waagen 1884
"Echinoconchus" punctatus Martin 1809
"Echinoconchus fasciatus" = Karavankina fasciata Kutorga 1844 | |
Reticulatia moelleri Stuckenberg 1898
Reticulatia cf. transversalis Tschernyschew 1902
Costiferina spiralis Waagen 1884 | |
Chaoiella gruenewaldti Krotov 1888
Krotovia sp. Fredericks 1928 |