Also known as Bed 21 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)
• 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 117464: authorized by Matthew Clapham, entered by Matthew Clapham on 21.09.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
| Bivalvia | |
|
Permoperna trapezoidalis Kayser 1883 oyster | |
|
Etheripecten sichuanensis Chen et al. 1974 scallop | |
|
Palaeolima chekiangensis Ku and Chen 1963 file clam | |
|
Euchondria sinensis Frech 1911 scallop | |
| Cephalopoda | |
|
Pseudotirolites sp. Sun 1933 ceratite | |
| Strophomenata | |
|
Keyserlingina dzhulfensis Sarycheva 1964
"Leptodus tenuis" = Eolyttonia tenuis Waagen 1883
Leptodus nobilis Waagen 1883
Oldhamina minor Zhan 1979 | |
|
Spinomarginifera chengyaoyenensis Huang 1932
Spinomarginifera alpha Huang 1932 | |
|
Haydenella kiangsiensis Kayser 1883 | |
|
Anidanthus sinosus Huang 1932 | |
Cathaysia chonetoides, Paryphella transversa, Paryphella orbicularis, "Paryphella sulcatifera" = Paryphella sinuata, Paryphella nasuta
Cathaysia chonetoides Chao 1927
Paryphella transversa Liao 1982
Paryphella orbicularis Liao 1980
"Paryphella sulcatifera" = Paryphella sinuata Zhan 1979
Paryphella nasuta Liao 1984 | |
Parapulchratia palliata, "Parapulchratia nitens" = Chenxianoproductus nitens
Parapulchratia palliata Kayser 1883
"Parapulchratia nitens" = Chenxianoproductus nitens Liao and Meng 1986 | |
"Neochonetes substrophomenoides" = Neochonetes (Huangichonetes) substrophomenoides, Neochonetes strophomenoides, "Waagenites wongiana" = Fusichonetes wongiana, "Waagenites soochowensis" = Fusichonetes soochowensis, "Waagenites guizhouensis" = Fusichonetes soochowensis, "Waagenites nayongensis" = Fusichonetes nayongensis
"Neochonetes substrophomenoides" = Neochonetes (Huangichonetes) substrophomenoides Huang 1932
Neochonetes strophomenoides Waagen 1884
"Waagenites wongiana" = Fusichonetes wongiana Chao 1928
"Waagenites soochowensis" = Fusichonetes soochowensis Chao 1928
"Waagenites guizhouensis" = Fusichonetes soochowensis Chao 1928
"Waagenites nayongensis" = Fusichonetes nayongensis Liao 1980 | |
|
Orthothetina regularis Huang 1933 | |
"Derbyia yangtzeensis" = Derbyia schellwieni
"Derbyia yangtzeensis" = Derbyia schellwieni Frech 1911 | |
|
Schuchertella semiplana Waagen 1884
Streptorhynchus pelargonatus von Schlotheim 1816 | |
| Rhynchonellata | |
"Acosarina dorsisulcata" = Acosarina minuta
"Acosarina dorsisulcata" = Acosarina minuta Abich 1878 | |
|
Martinia abrupta Liao and Meng 1986 | |
|
Hustedia remota Eichwald 1860
Hustedia indica Waagen 1883 | |
"Araxathyris bisulcata" = Juxathyris bisulcata, Araxathyris ? sinensis
"Araxathyris bisulcata" = Juxathyris bisulcata Liao 1980
Araxathyris ? sinensis Shen et al. 2004 | |
|
Uncinunellina timorensis Beyrich 1865 | |
| Trilobita | |
|
Pseudophillipsia obtusicauda Kayser 1883 trilobite | |