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• coordinate based on unpublished field data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)
• 3.92 m thick
• group of beds-level stratigraphic resolution
Environment/lithology: open shallow subtidal; lithified, pyritic, shelly/skeletal, gray, cherty/siliceous packstone
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 94984: authorized by Matthew Clapham, entered by Matthew Clapham on 02.04.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Foraminifera | |
Nankinella sp. Lee 1933 | |
Anthozoa | |
Lophophyllidium sp. Grabau 1928 horn coral | |
Bivalvia | |
Promytilus sp. Newell 1942 mussel | |
Permoperna trapezoidalis Kayser 1883 oyster | |
Guizhoupecten sp. Chen 1962 scallop | |
Strophomenata | |
Gubleria sp., Keyserlingina dzhulfensis, "Leptodus tenuis" = Eolyttonia tenuis, Leptodus deminutus, Leptodus nobilis, Leptodus richthofeni
Keyserlingina dzhulfensis Sarycheva 1964
"Leptodus tenuis" = Eolyttonia tenuis Waagen 1883
Leptodus deminutus Liao 1980
Leptodus nobilis Waagen 1883
Leptodus richthofeni Kayser 1883 | |
Richthofenia anshunensis Liao 1980
Richthofenia guangdeensis Liao 1984
Richthofenia sinensis Waagen 1885 | |
Neorichthofenia mabutii Tazawa and Araki 1984 | |
Licharewiella costata Waagen 1884 | |
Edriosteges poyangensis Kayser 1883 | |
Tschernyschewia pseudoirginae Huang 1932
Tschernyschewia sinensis Chao 1927 | |
Spinomarginifera kueichowensis, Spinomarginifera sulcata, Spinomarginifera chengyaoyenensis, Spinomarginifera pseudosintanensis, Spinomarginifera sichuanensis, Spinomarginifera alpha
Spinomarginifera kueichowensis Huang 1932
Spinomarginifera sulcata Shen et al. 1992
Spinomarginifera chengyaoyenensis Huang 1932
Spinomarginifera pseudosintanensis Huang 1932
Spinomarginifera sichuanensis Shen et al. 1992
Spinomarginifera alpha Huang 1932 | |
"Edriosteges kayseri" = Striatospica kayseri
"Edriosteges kayseri" = Striatospica kayseri Chao 1927 | |
Compressoproductus compressus, Compressoproductus mongolicus, Haydenella nasuta, "Haydenella deminutus" = Haydenella deminuta, "Haydenella kiangsiensis" = Haydenella kiangsiensis, "Haydenella qinglongensis" = Haydenella kiangsiensis, "Haydenella chianensis" = Haydenella kiangsiensis, Haydenella elongata, ? Haydenella paradoxica, Haydenella wenganensis
Compressoproductus compressus Waagen 1884
Compressoproductus mongolicus Diener 1897
Haydenella nasuta Zeng 1993
"Haydenella deminutus" = Haydenella deminuta Liao 1980
"Haydenella kiangsiensis" = Haydenella kiangsiensis Kayser 1883
"Haydenella qinglongensis" = Haydenella kiangsiensis Kayser 1883
"Haydenella chianensis" = Haydenella kiangsiensis Kayser 1883
Haydenella elongata Liao 1980
? Haydenella paradoxica Shen et al. 1992
Haydenella wenganensis Huang 1932 | |
Anidanthus sinosus Huang 1932
Anidanthus guichiensis Jin and Hu 1978 | |
"Cathaysia speciosa" = Cathaysia chonetoides, Paryphella orbicularis
"Cathaysia speciosa" = Cathaysia chonetoides Chao 1927
Paryphella orbicularis Liao 1980 | |
Tyloplecta yangtzeensis Chao 1927 | |
"Parapulchratia intercedens" = Chenxianoproductus intercedens, "Parapulchratia nitens" = Chenxianoproductus nitens
"Parapulchratia intercedens" = Chenxianoproductus intercedens Liao and Meng 1986
"Parapulchratia nitens" = Chenxianoproductus nitens Liao and Meng 1986 | |
"Neochonetes substrophomenoides" = Neochonetes (Huangichonetes) substrophomenoides, Neochonetes strophomenoides, Pygmochonetes jingxianensis
"Neochonetes substrophomenoides" = Neochonetes (Huangichonetes) substrophomenoides Huang 1932
Neochonetes strophomenoides Waagen 1884
Pygmochonetes jingxianensis Jin and Hu 1978 | |
Meekella sichuanensis, Meekella arakeljani, "Meekella dorsisulcata" = Meekella kueichowensis, "Meekella perigeyerelloides" = Meekella heterofolda, Meekella versiformis n. sp., Meekella cf. deltoides, Perigeyerella sp., Perigeyerella costellata, Perigeyerella fastigiata, Orthothetina shuangtangensis, "Orthothetina rara" = Orthothetina elongata, "Orthothetina exquisita" = Orthothetina triangularis, Orthothetina regularis, Orthothetina ellipsoides, Orthothetina planoconvexa
Meekella sichuanensis Shen et al. 1992
Meekella arakeljani Sokolskaja 1965
"Meekella dorsisulcata" = Meekella kueichowensis Huang 1933
"Meekella perigeyerelloides" = Meekella heterofolda Liang 1990
Meekella versiformis n. sp. Shen et al. 1992
Meekella cf. deltoides Liao 1980
Perigeyerella costellata Wang 1955
Perigeyerella fastigiata Liao and Meng 1986
Orthothetina shuangtangensis Liang 1982
"Orthothetina rara" = Orthothetina elongata Nakamura 1972
"Orthothetina exquisita" = Orthothetina triangularis Tong 1978
Orthothetina regularis Huang 1933
Orthothetina ellipsoides Shen et al. 1992
Orthothetina planoconvexa Hayasaka 1933 | |
"Derbyia yangtzeensis" = Derbyia schellwieni Frech 1911
Derbyia acutangula Huang 1933
Derbyia dirata3 Grant 1993 | |
Streptorhynchus longyangensis, Streptorhynchus pelargonatus, Tropidelasma triangularis3, Tropidelasma zhongliangshanensis
Streptorhynchus longyangensis Wang 1982
Streptorhynchus pelargonatus von Schlotheim 1816
Tropidelasma triangularis3 Shen and Shi 2007
Tropidelasma zhongliangshanensis He and Zhu 1985 | |
Rhynchonellata | |
Paraspiriferina multiplicata Sowerby 1829 | |
Crenispirifer alpheus Huang 1933
Spiriferellina nasuta Cooper and Grant 1976 | |
"Acosarina dorsisulcata" = Acosarina minuta
"Acosarina dorsisulcata" = Acosarina minuta Abich 1878 | |
Enteletes sp. Waldheim 1825
Peltichia zigzag Huang 1933
Peltichia sinensis Huang 1933
Peltichia transversa Huang 1933 | |
Martinia orbicularis Gemmellaro 1899
Martinia semiplana Waagen 1883
Martinia corculum Kutorga 1844
Martinia abrupta Liao and Meng 1986 | |
"Crurithyris speciosa" = Speciothyris speciosa, "Crurithyris flabelliformis" = Orbicoelia flabelliformis
"Crurithyris speciosa" = Speciothyris speciosa Wang 1955
"Crurithyris flabelliformis" = Orbicoelia flabelliformis Liao 1979 | |
""Squamularia" rostrata" = Bajkuria rostrata, Phricodothyris echinata, "Squamularia subrostrata" = Phricodothyris subrostrata, Phricodothyris asiatica, "Squamularia indica" = Permophricodothyris indica, "Squamularia elegantula" = Permophricodothyris elegantula, "Squamularia squamularioides" = Permophricodothyris squamularioides, "Squamularia grandis" = Permophricodothyris grandis
""Squamularia" rostrata" = Bajkuria rostrata Kutorga 1842
Phricodothyris echinata Chao 1929
"Squamularia subrostrata" = Phricodothyris subrostrata Grabau 1936
Phricodothyris asiatica Chao 1929
"Squamularia indica" = Permophricodothyris indica Waagen 1883
"Squamularia elegantula" = Permophricodothyris elegantula Waagen 1883
"Squamularia squamularioides" = Permophricodothyris squamularioides Huang 1933
"Squamularia grandis" = Permophricodothyris grandis Chao 1929 | |
""Athyris" aff. sulcata" = Spirigerellina sulcata
""Athyris" aff. sulcata" = Spirigerellina sulcata Yang and Xu 1966 | |
"Araxathyris bisulcata" = Juxathyris bisulcata, "Araxathyris guizhouensis" = Juxathyris guizhouensis, "Araxathyris rectimarginalis" = Juxathyris rectimarginalis, "Athyris triangularis" = Juxathyris zhijinensis, "Composita" sp., Araxathyris sp., Araxathyris dilatatus, Araxathyris ? sinensis1, Araxathyris quadrilobata, "Athyris excavata" = Cleiothyridina excavata
"Araxathyris bisulcata" = Juxathyris bisulcata Liao 1980
"Araxathyris guizhouensis" = Juxathyris guizhouensis Liao 1980
"Araxathyris rectimarginalis" = Juxathyris rectimarginalis Shen et al. 1992
"Athyris triangularis" = Juxathyris zhijinensis Liao 1980
"Composita" sp. Brown 1849
Araxathyris sp. Grunt 1965
Araxathyris dilatatus Shen et al. 1992
Araxathyris ? sinensis1 Shen et al. 2004
Araxathyris quadrilobata Abich 1878
"Athyris excavata" = Cleiothyridina excavata Grabau 1931 | |
Hemiptychina mongolica Grabau 1931 | |
"Beecheria sublaevis" = Fredericksolasma sublaevis
"Beecheria sublaevis" = Fredericksolasma sublaevis Waagen 1882 | |
Qinglongia elegans, Qinglongia gigantea, Qinglongia difforma, Qinglongia exilis, Zhongliangshania zhongliangshanensis
Qinglongia difforma Shen et al. 1992
Qinglongia exilis Shen et al. 1992
Zhongliangshania zhongliangshanensis Shen et al. 1992 | |
Notothyris triplicata Diener 1897 | |
Stenoscisma amoenum Cooper and Grant 1976
Stenoscisma mutabilis Tschernyschew 1902 | |
"Stenoscisma zhongliangshanensis n. sp." = Cyrolexis zhongliangshanensis
"Stenoscisma zhongliangshanensis n. sp." = Cyrolexis zhongliangshanensis Shen et al. 1992 | |
Wellerellina opima2, "Wellerellina triplicata n. sp." = Wellerellina chongqingensis2, "Lissorhynchia pseudoutah" = Prelissorhynchia pseudoutah, "Lissorhynchia triplicata" = Prelissorhynchia pseudoutah, "Prelissorhynchia antearcus" = Prelissorhynchia pseudoutah3, "Prelissorhynchia plena" = Prelissorhynchia pseudoutah3
Wellerellina opima2 Shen et al. 1992
"Wellerellina triplicata n. sp." = Wellerellina chongqingensis2 Shen et al. 1992
"Lissorhynchia pseudoutah" = Prelissorhynchia pseudoutah Huang 1933
"Lissorhynchia triplicata" = Prelissorhynchia pseudoutah Huang 1933
"Prelissorhynchia antearcus" = Prelissorhynchia pseudoutah3 Huang 1933
"Prelissorhynchia plena" = Prelissorhynchia pseudoutah3 Huang 1933 | |
"Anchorhynchia ignobilis n. sp." = Ancorhynchia ignobilis, Anchorhynchia sarciniformis, Uncinunellina exilis3
"Anchorhynchia ignobilis n. sp." = Ancorhynchia ignobilis Shen et al. 1992
Anchorhynchia sarciniformis Shen et al. 1992
Uncinunellina exilis3 Shen and Shi 2007 | |
Lingulata | |
Orbiculoidea nucleola Liao 1980 |