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• coordinate based on unpublished field data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)
• 0.36 m thick
• bed-level stratigraphic resolution
Environment/lithology: lithified, lenticular lime mudstone and lithified mudstone
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 94972: authorized by Matthew Clapham, entered by Matthew Clapham on 02.04.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Foraminifera | |
Reichelina cribroseptata Erk 1941 | |
Rhynchonellata | |
Qinglongia ovalis Shen et al. 1992 | |
"Acosarina dorsisulcata" = Acosarina minuta
"Acosarina dorsisulcata" = Acosarina minuta Abich 1878 | |
"Crurithyris cordata" = Orbicoelia cordata
"Crurithyris cordata" = Orbicoelia cordata Shen et al. 1992 | |
Wellerellina opima n. sp.2, Wellerellina chongqingensis n. sp., "Lissorhynchia pseudoutah" = Prelissorhynchia pseudoutah, "Lissorhynchia triplicata" = Prelissorhynchia pseudoutah, "Lissorhynchia monoplicata" = Prelissorhynchia pseudoutah
Wellerellina opima n. sp.2 Shen et al. 1992
Wellerellina chongqingensis n. sp. Shen et al. 1992
"Lissorhynchia pseudoutah" = Prelissorhynchia pseudoutah Huang 1933
"Lissorhynchia triplicata" = Prelissorhynchia pseudoutah Huang 1933
"Lissorhynchia monoplicata" = Prelissorhynchia pseudoutah Huang 1933 | |
Araxathyris ? sinensis1, Araxathyris yuananensis, "Araxathyris guizhouensis" = Juxathyris guizhouensis, "Araxathyris bisulcata" = Juxathyris bisulcata
Araxathyris ? sinensis1 Shen et al. 2004
Araxathyris yuananensis Yang 1977
"Araxathyris guizhouensis" = Juxathyris guizhouensis Liao 1980
"Araxathyris bisulcata" = Juxathyris bisulcata Liao 1980 | |
Strophomenata | |
Tschernyschewia sinensis Chao 1927 | |
Oldhamina squamosa Huang 1932
Oldhamina decipiens de Koninck 1863
Leptodus deminutus Liao 1980
"Leptodus tenuis" = Eolyttonia tenuis Waagen 1883 | |
Spinomarginifera alpha, Spinomarginifera chengyaoyenensis, Spinomarginifera intercedens, Spinomarginifera kueichowensis
Spinomarginifera alpha Huang 1932
Spinomarginifera chengyaoyenensis Huang 1932
Spinomarginifera intercedens Shen et al. 1992
Spinomarginifera kueichowensis Huang 1932 | |
Cathaysia chonetoides Chao 1927
Cathaysia beifengjingensis Shen et al. 1992
Cathaysia parvulia Chang 1977 | |
Neochonetes strophomenoides Waagen 1884 | |
Streptorhynchus sp. King 1850 | |
Trilobita | |
Pseudophillipsia obtusicauda Kayser 1883 trilobite |