Also known as Bed 20 of Shen & He, 1994
Where: Guizhou, China (26.6° N, 107.2° E: paleocoordinates 6.6° N, 96.3° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Dalong Formation, Changhsingian (254.2 - 252.2 Ma)
• 0.90 m thick
• group of beds-level stratigraphic resolution
Environment/lithology: deep-water; lithified mudstone
Size class: macrofossils
Preservation: mold/impression
Primary reference: S. Z. Shen and X. L. He. 1994. Changhsingian brachiopod faunas from Guiding, Guizhou. Acta Palaeontologica Sinica 33:440-454 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 117465: authorized by Matthew Clapham, entered by Matthew Clapham on 21.09.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Etheripecten sichuanensis Chen et al. 1974 scallop | |
Permoperna trapezoidalis Kayser 1883 oyster | |
Rhynchonellata | |
"Lissorhynchia pseudoutah" = Prelissorhynchia pseudoutah, "Lissorhynchia triplicata" = Prelissorhynchia pseudoutah
"Lissorhynchia pseudoutah" = Prelissorhynchia pseudoutah Huang 1933
"Lissorhynchia triplicata" = Prelissorhynchia pseudoutah Huang 1933 | |
Uncinunellina timorensis Beyrich 1865 | |
"Squamularia squamularioides" = Permophricodothyris squamularioides, Phricodothyris echinata, ""Squamularia" rostrata" = Bajkuria rostrata
"Squamularia squamularioides" = Permophricodothyris squamularioides Huang 1933
Phricodothyris echinata Chao 1929
""Squamularia" rostrata" = Bajkuria rostrata Kutorga 1842 | |
"Crurithyris speciosa" = Speciothyris speciosa, "Crurithyris flabelliformis" = Orbicoelia flabelliformis
"Crurithyris speciosa" = Speciothyris speciosa Wang 1955
"Crurithyris flabelliformis" = Orbicoelia flabelliformis Liao 1979 | |
"Araxathyris bisulcata" = Juxathyris bisulcata Liao 1980
Araxathyris ? sinensis2 Shen et al. 2004 | |
Hustedia remota Eichwald 1860 | |
Peltichia zigzag Huang 1933
Peltichia transversa Huang 1933 | |
"Acosarina dorsisulcata" = Acosarina minuta
"Acosarina dorsisulcata" = Acosarina minuta Abich 1878 | |
Strophomenata | |
Chonetinella volitanliopsis4, "Waagenites soochowensis" = Fusichonetes soochowensis, "Waagenites pigmaea" = Fusichonetes pygmaea, "Waagenites nayongensis" = Fusichonetes nayongensis, "Tethyochonetes quadrata" = Fusichonetes quadrata1, "Tethyochonetes sp." = Fusichonetes1, "Waagenites wongiana" = Fusichonetes wongiana, "Neochonetes substrophomenoides" = Neochonetes (Huangichonetes) substrophomenoides, "Neochonetes sublatesinuata" = Neochonetes (Huangichonetes) substrophomenoides, Neochonetes strophomenoides
Chonetinella volitanliopsis4 Xu 1987 N. (H.) substrophomenoidesin fig. 5K of Shen & Archbold, 2002 (NIGP 132484)
"Waagenites soochowensis" = Fusichonetes soochowensis Chao 1928
"Waagenites pigmaea" = Fusichonetes pygmaea Liao 1980
"Waagenites nayongensis" = Fusichonetes nayongensis Liao 1980
"Tethyochonetes quadrata" = Fusichonetes quadrata1 Zhan 1979 Probably one of chonetoids in Shen & He, but not specified
"Tethyochonetes sp." = Fusichonetes1 Liao 1981
"Waagenites wongiana" = Fusichonetes wongiana Chao 1928
"Neochonetes substrophomenoides" = Neochonetes (Huangichonetes) substrophomenoides Huang 1932
"Neochonetes sublatesinuata" = Neochonetes (Huangichonetes) substrophomenoides Huang 1932
Neochonetes strophomenoides Waagen 1884 | |
Leptodus deminutus, "Leptodus tenuis" = Eolyttonia tenuis, Oldhamina decipiens, Keyserlingina dzhulfensis
Leptodus deminutus Liao 1980
"Leptodus tenuis" = Eolyttonia tenuis Waagen 1883
Oldhamina decipiens de Koninck 1863
Keyserlingina dzhulfensis Sarycheva 1964 | |
Spinomarginifera intercedens, Spinomarginifera chengyaoyenensis, Spinomarginifera alpha, Spinomarginifera kueichowensis
Spinomarginifera intercedens Shen et al. 1992
Spinomarginifera chengyaoyenensis Huang 1932
Spinomarginifera alpha Huang 1932
Spinomarginifera kueichowensis Huang 1932 | |
"Paryphella sulcatifera" = Paryphella sinuata, Paryphella nasuta, Paryphella transversa, Paryphella orbicularis, Cathaysia beifengjingensis, Cathaysia chonetoides, Cathaysia yongdingensis
"Paryphella sulcatifera" = Paryphella sinuata Zhan 1979
Paryphella nasuta Liao 1984
Paryphella transversa Liao 1982
Paryphella orbicularis Liao 1980
Cathaysia beifengjingensis Shen et al. 1992
Cathaysia chonetoides Chao 1927
Cathaysia yongdingensis Liao 1982 | |
"Parapulchratia nitens" = Chenxianoproductus nitens
"Parapulchratia nitens" = Chenxianoproductus nitens Liao and Meng 1986 | |
Haydenella kiangsiensis Kayser 1883 | |
Tschernyschewia pseudoirginae Huang 1932
Tschernyschewia sinensis Chao 1927 | |
"Derbyia yangtzeensis" = Derbyia schellwieni, Derbyia guidingensis
"Derbyia yangtzeensis" = Derbyia schellwieni Frech 1911
Derbyia guidingensis Shen and He 1994 | |
Streptorhynchus kayseri, Streptorhynchus pelargonatus, Pseudostreptorhynchus deflecta3, Schuchertella semiplana3
Streptorhynchus kayseri Schellwien 1900
Streptorhynchus pelargonatus von Schlotheim 1816
Pseudostreptorhynchus deflecta3 Shen and Shi 2007
Schuchertella semiplana3 Waagen 1884 | |
"Meekella langdaiensis" = Meekella kueichowensis, "Meekella dorsisulcata" = Meekella kueichowensis, Orthothetina ellipsoides, Orthothetina regularis, Orthothetina shuangtangensis, Orthothetina ruber
"Meekella langdaiensis" = Meekella kueichowensis Huang 1933
"Meekella dorsisulcata" = Meekella kueichowensis Huang 1933
Orthothetina ellipsoides Shen et al. 1992
Orthothetina regularis Huang 1933
Orthothetina shuangtangensis Liang 1982
Orthothetina ruber Frech 1911 |