Where: Chongqing, China (29.5° N, 106.4° E: paleocoordinates 8.3° N, 93.9° E)
• coordinate based on unpublished field data
• small collection-level geographic resolution
When: Changxing Formation, Changhsingian (254.2 - 252.2 Ma)
• 0.22 m thick
• bed-level stratigraphic resolution
Environment/lithology: open shallow subtidal; lithified, pyritic, shelly/skeletal, gray, cherty/siliceous wackestone
Size class: macrofossils
Primary reference: S. Z. Shen and X. L. He. 1991. Changhsingian brachiopod assemblage sequence in Zhongliang Hill, Chongqing. Journal of Stratigraphy 15(3):189-196 [M. Clapham/M. Clapham]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 94985: authorized by Matthew Clapham, entered by Matthew Clapham on 02.04.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
Tschernyschewia pseudoirginae Huang 1932
Tschernyschewia typica Stoyanow 1910 | |
Edriosteges poyangensis Kayser 1883 | |
Spinomarginifera sulcata, Spinomarginifera alpha, Spinomarginifera chengyaoyenensis, Spinomarginifera kueichowensis
Spinomarginifera sulcata Shen et al. 1992
Spinomarginifera alpha Huang 1932
Spinomarginifera chengyaoyenensis Huang 1932
Spinomarginifera kueichowensis Huang 1932 | |
Cathaysia chonetoides Chao 1927 | |
"Parapulchratia nitens" = Chenxianoproductus nitens
"Parapulchratia nitens" = Chenxianoproductus nitens Liao and Meng 1986 | |
Haydenella kiangsiensis Kayser 1883
Haydenella wenganensis Huang 1932
Haydenella nasuta Zeng 1993
? Haydenella paradoxica Shen et al. 1992 | |
Richthofenia anshunensis Liao 1980
Richthofenia sinensis Waagen 1885 | |
Leptodus deminutus Liao 1980
"Leptodus tenuis" = Eolyttonia tenuis Waagen 1883
Keyserlingina dzhulfensis Sarycheva 1964 | |
Derbyia acutangula Huang 1933 | |
Tropidelasma zhongliangshanensis He and Zhu 1985 | |
Orthothetina ruber Frech 1911
Meekella sichuanensis Shen et al. 1992 | |
Neochonetes strophomenoides, "Neochonetes substrophomenoides" = Neochonetes (Huangichonetes) substrophomenoides, "Waagenites pigmaea" = Fusichonetes pygmaea
Neochonetes strophomenoides Waagen 1884
"Neochonetes substrophomenoides" = Neochonetes (Huangichonetes) substrophomenoides Huang 1932
"Waagenites pigmaea" = Fusichonetes pygmaea Liao 1980 | |
Rhynchonellata | |
""Squamularia" rostrata" = Bajkuria rostrata, "Squamularia extensiformis" = Permophricodothyris extensiformis, "Squamularia squamularioides" = Permophricodothyris squamularioides, "Squamularia indica" = Permophricodothyris indica
""Squamularia" rostrata" = Bajkuria rostrata Kutorga 1842
"Squamularia extensiformis" = Permophricodothyris extensiformis Chang 1977
"Squamularia squamularioides" = Permophricodothyris squamularioides Huang 1933
"Squamularia indica" = Permophricodothyris indica Waagen 1883 | |
"Crurithyris flabelliformis" = Orbicoelia flabelliformis, Crurithyris extumida
"Crurithyris flabelliformis" = Orbicoelia flabelliformis Liao 1979
Crurithyris extumida Jin and Ye 1979 | |
Martinia corculum Kutorga 1844
Martinia semiplana Waagen 1883 | |
"Athyris" aff. hunanensis, "Athyris" plicata, "Araxathyris guizhouensis" = Juxathyris guizhouensis, "Athyris triangularis" = Juxathyris zhijinensis, Araxathyris ? sinensis1
"Araxathyris guizhouensis" = Juxathyris guizhouensis Liao 1980
"Athyris triangularis" = Juxathyris zhijinensis Liao 1980
Araxathyris ? sinensis1 Shen et al. 2004 | |
Hustedia remota Eichwald 1860 | |
Stenoscisma sp. Conrad 1839 | |
Anchorhynchia sarciniformis Shen et al. 1992 | |
"Lissorhynchia pseudoutah" = Prelissorhynchia pseudoutah Huang 1933
Wellerellina extensa n. sp.2 Shen et al. 1992 | |
Notothyris crassa Reed 1944
Notothyris subnucleolus Zhang and Jin 1961 | |
"Acosarina dorsisulcata" = Acosarina minuta
"Acosarina dorsisulcata" = Acosarina minuta Abich 1878 | |
Peltichia sp. Jin and Liao 1981 | |
Bivalvia | |
Guizhoupecten regularis Chen 1962 scallop | |
Permoperna trapezoidalis Kayser 1883 oyster | |
Trilobita | |
Pseudophillipsia obtusicauda Kayser 1883 trilobite | |
Foraminifera | |