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• coordinate based on unpublished field data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)
• 0.83 m thick
• bed-level stratigraphic resolution
Environment/lithology: lithified, gray, argillaceous lime 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 94970: authorized by Matthew Clapham, entered by Matthew Clapham on 02.04.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Pseudophillipsia chongqingensis Lu 1974 trilobite | |
Bivalvia | |
Girtypecten beipeiensis Liu 1976 scallop
Etheripecten fasciculicostatus Liu 1976 scallop
Etheripecten sichuanensis Chen et al. 1974 scallop | |
Palaeolima hunanensis Zhang 1977 file clam | |
Towapteria guizhouensis Yin and Gan 1978 oyster | |
Strophomenata | |
Neochonetes strophomenoides Waagen 1884 | |
Cathaysia chonetoides Chao 1927 | |
Spinomarginifera pseudosintanensis Huang 1932
Spinomarginifera chengyaoyenensis Huang 1932 | |
Haydenella wenganensis, "Haydenella kiangsiensis" = Haydenella kiangsiensis, "Haydenella qinglongensis" = Haydenella kiangsiensis, Haydenella elongata, Compressoproductus mongolicus, Compressoproductus compressus
Haydenella wenganensis Huang 1932
"Haydenella kiangsiensis" = Haydenella kiangsiensis Kayser 1883
"Haydenella qinglongensis" = Haydenella kiangsiensis Kayser 1883
Haydenella elongata Liao 1980
Compressoproductus mongolicus Diener 1897
Compressoproductus compressus Waagen 1884 | |
Rhynchonellata | |
Crurithyris extumida Jin and Ye 1979 | |
"Lissorhynchia pseudoutah" = Prelissorhynchia pseudoutah
"Lissorhynchia pseudoutah" = Prelissorhynchia pseudoutah Huang 1933 | |
Paraspiriferina multiplicata Sowerby 1829 | |
"Acosarina dorsisulcata" = Acosarina minuta
"Acosarina dorsisulcata" = Acosarina minuta Abich 1878 | |
"Araxathyris guizhouensis" = Juxathyris guizhouensis, "Araxathyris bisulcata" = Juxathyris bisulcata, Araxathyris ? sinensis
"Araxathyris guizhouensis" = Juxathyris guizhouensis Liao 1980
"Araxathyris bisulcata" = Juxathyris bisulcata Liao 1980
Araxathyris ? sinensis Shen et al. 2004 |