Beifengjing Section, Bed 26, Zhongliang Hill (Permian of China)

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• coordinate based on unpublished field data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

• Thick-bedded pyritic skeletal packstone with chert nodules (Clapham pers. obs.)

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

Fusulinina
 Fusulinoidea - Schubertellidae
 Fusulinoidea - Staffellidae
Nankinella sp. Lee 1933
Strophomenata
 Productida - Tschernyschewiidae
 Productida - Aulostegidae
 Productida - Strophalosiidae
 Productida - Echinoconchidae
"Parapulchratia nitens" = Chenxianoproductus nitens, "Parapulchratia intercedens" = Chenxianoproductus intercedens
"Parapulchratia nitens" = Chenxianoproductus nitens Liao and Meng 1986
"Parapulchratia intercedens" = Chenxianoproductus intercedens Liao and Meng 1986
 Productida - Productidae
 Productida -
 Productida - Productinidae
"Cathaysia speciosa" = Cathaysia chonetoides Chao 1927
 Productida - Monticuliferidae
"Haydenella kiangsiensis" = Haydenella kiangsiensis Kayser 1883
"Haydenella qinglongensis" = Haydenella kiangsiensis Kayser 1883
"Haydenella chianensis" = Haydenella kiangsiensis Kayser 1883
Haydenella nasuta Zeng 1993
"Haydenella deminutus" = Haydenella deminuta Liao 1980
? Haydenella paradoxica Shen et al. 1992
 Productida - Schrenkiellidae
"Edriosteges kayseri" = Striatospica kayseri
"Edriosteges kayseri" = Striatospica kayseri Chao 1927
 Productida - Linoproductidae
Anidanthus sinosus Huang 1932
Anidanthus guichiensis Jin and Hu 1978
 Productida - Rugosochonetidae
"Neochonetes substrophomenoides" = Neochonetes (Huangichonetes) substrophomenoides Huang 1932
Pygmochonetes jingxianensis Jin and Hu 1978
 Productida - Lyttoniidae
Leptodus richthofeni Kayser 1883
Leptodus deminutus Liao 1980
Leptodus nobilis Waagen 1883
Keyserlingina dzhulfensis Sarycheva 1964
"Leptodus tenuis" = Eolyttonia tenuis Waagen 1883
 Productida - Richthofeniidae
 Productida - Hercosiidae
Neorichthofenia mabutii Tazawa and Araki 1984
 Orthotetida - Schuchertellidae
 Orthotetida - Derbyiidae
Derbyia acutangula Huang 1933
"Derbyia yangtzeensis" = Derbyia schellwieni Frech 1911
Derbyia dirata3 Grant 1993
 Orthotetida - Meekellidae
Perigeyerella fastigiata Liao and Meng 1986
Orthothetina ellipsoides Shen et al. 1992
"Orthothetina exquisita" = Orthothetina triangularis Tong 1978
"Orthothetina rara" = Orthothetina elongata Nakamura 1972
"Meekella perigeyerelloides" = Meekella heterofolda Liang 1990
Meekella arakeljani Sokolskaja 1965
Meekella sichuanensis Shen et al. 1992
Meekella versiformis n. sp. Shen et al. 1992
"Meekella dorsisulcata" = Meekella kueichowensis Huang 1933
Rhynchonellata
 Athyridida - Neoretziidae
 Athyridida - Diplospirellidae
""Athyris" aff. sulcata" = Spirigerellina sulcata
""Athyris" aff. sulcata" = Spirigerellina sulcata Yang and Xu 1966
 Athyridida - Athyrididae
"Athyris excavata" = Cleiothyridina excavata, Araxathyris sp., Araxathyris ? sinensis1, Araxathyris quadrilobata, Araxathyris dilatatus, "Composita" sp., "Araxathyris rectimarginalis" = Juxathyris rectimarginalis, "Athyris triangularis" = Juxathyris zhijinensis, "Araxathyris guizhouensis" = Juxathyris guizhouensis, "Araxathyris bisulcata" = Juxathyris bisulcata
"Athyris excavata" = Cleiothyridina excavata Grabau 1931
Araxathyris sp. Grunt 1965
Araxathyris ? sinensis1 Shen et al. 2004
Araxathyris dilatatus Shen et al. 1992
"Composita" sp. Brown 1849
"Araxathyris rectimarginalis" = Juxathyris rectimarginalis Shen et al. 1992
"Athyris triangularis" = Juxathyris zhijinensis Liao 1980
"Araxathyris guizhouensis" = Juxathyris guizhouensis Liao 1980
"Araxathyris bisulcata" = Juxathyris bisulcata Liao 1980
 Terebratulida - Notothyrididae
 Terebratulida - Gillediidae
 Terebratulida - Heterelasminidae
 Terebratulida - Pseudodielasmatidae
"Beecheria sublaevis" = Fredericksolasma sublaevis
"Beecheria sublaevis" = Fredericksolasma sublaevis Waagen 1882
 Spiriferinida - Spiriferellinidae
 Spiriferinida - Paraspiriferinidae
 Spiriferida - Martiniidae
Martinia semiplana Waagen 1883
Martinia corculum Kutorga 1844
Martinia abrupta Liao and Meng 1986
Martinia orbicularis Gemmellaro 1899
 Spiriferida - Ambocoeliidae
"Crurithyris speciosa" = Speciothyris speciosa, "Crurithyris flabelliformis" = Orbicoelia flabelliformis
"Crurithyris speciosa" = Speciothyris speciosa Wang 1955
"Crurithyris flabelliformis" = Orbicoelia flabelliformis Liao 1979
 Spiriferida - Elythidae
"Squamularia subrostrata" = Phricodothyris subrostrata, Phricodothyris asiatica, Phricodothyris echinata, "Squamularia squamularioides" = Permophricodothyris squamularioides, "Squamularia indica" = Permophricodothyris indica, "Squamularia grandis" = Permophricodothyris grandis, "Squamularia elegantula" = Permophricodothyris elegantula
"Squamularia subrostrata" = Phricodothyris subrostrata Grabau 1936
"Squamularia squamularioides" = Permophricodothyris squamularioides Huang 1933
"Squamularia indica" = Permophricodothyris indica Waagen 1883
"Squamularia grandis" = Permophricodothyris grandis Chao 1929
"Squamularia elegantula" = Permophricodothyris elegantula Waagen 1883
 Spiriferida - Reticulariidae
""Squamularia" rostrata" = Bajkuria rostrata
""Squamularia" rostrata" = Bajkuria rostrata Kutorga 1842
 Rhynchonellida - Wellerellidae
"Anchorhynchia ignobilis n. sp." = Ancorhynchia ignobilis Shen et al. 1992
Anchorhynchia sarciniformis Shen et al. 1992
Uncinunellina exilis3 Shen and Shi 2007
 Rhynchonellida - Pontisiidae
Wellerellina opima2, "Wellerellina triplicata n. sp." = Wellerellina chongqingensis2, "Lissorhynchia pseudoutah" = Prelissorhynchia pseudoutah, "Lissorhynchia triplicata" = Prelissorhynchia pseudoutah, "Prelissorhynchia plena" = Prelissorhynchia pseudoutah3, "Prelissorhynchia antearcus" = 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 plena" = Prelissorhynchia pseudoutah3 Huang 1933
"Prelissorhynchia antearcus" = Prelissorhynchia pseudoutah3 Huang 1933
 Rhynchonellida - Psilocamaridae
"Stenoscisma zhongliangshanensis n. sp." = Cyrolexis zhongliangshanensis
"Stenoscisma zhongliangshanensis n. sp." = Cyrolexis zhongliangshanensis Shen et al. 1992
 Rhynchonellida - Stenoscismatidae
Stenoscisma amoenum Cooper and Grant 1976
Stenoscisma mutabilis Tschernyschew 1902
 Orthida - Enteletidae
Peltichia sinensis Huang 1933
Peltichia zigzag Huang 1933
Enteletes sp. Waldheim 1825
 Orthida - Schizophoriidae
"Acosarina dorsisulcata" = Acosarina minuta
"Acosarina dorsisulcata" = Acosarina minuta Abich 1878
Lingulata
 Lingulida - Disciniidae
Bivalvia
 Pectinida - Streblochondriidae
Guizhoupecten sp. Chen 1962 scallop
 Ostreida - Bakevelliidae
Permoperna trapezoidalis Kayser 1883 oyster
 Mytilida - Mytilidae
Promytilus sp. Newell 1942 mussel
Anthozoa
 Stauriida - Lophophyllidiidae
Lophophyllidium sp. Grabau 1928 horn coral