Where: Sichuan, China (29.0° N, 106.9° E: paleocoordinates 8.2° N, 94.6° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Changxing Formation, Changhsingian (254.2 - 252.2 Ma)
• 0.09 m thick
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; lithified, shelly/skeletal, brown, yellow mudstone
Size class: macrofossils
Preservation: mold/impression
Primary reference: S. Z. Shen, X. L. He, and G. R. Shi. 1995. Biostratigraphy and correlation of several Permian-Triassic boundary sections in southwestern China. Journal of Southeast Asian Earth Sciences 12(1-2):19-30 [M. Clapham/M. Clapham]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 117502: authorized by Matthew Clapham, entered by Matthew Clapham on 22.09.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily | |
Strophomenata | |
Laterispina parallela n. sp.1
Laterispina parallela n. sp.1 Shen et al. 1994 | |
"Leptodus tenuis" = Eolyttonia tenuis
"Leptodus tenuis" = Eolyttonia tenuis Waagen 1883 | |
Spinomarginifera kueichowensis, Spinomarginifera chengyaoyenensis, Spinomarginifera intercedens, Spinomarginifera pseudosintanensis, Spinomarginifera alpha
Spinomarginifera kueichowensis Huang 1932
Spinomarginifera chengyaoyenensis Huang 1932
Spinomarginifera intercedens Shen et al. 1992
Spinomarginifera pseudosintanensis Huang 1932
Spinomarginifera alpha Huang 1932 | |
Haydenella kiangsiensis Kayser 1883 | |
"Cathaysia chonetoides" = Cathaysia chonetoides, "Cathaysia speciosa" = Cathaysia chonetoides, Paryphella nasuta
"Cathaysia chonetoides" = Cathaysia chonetoides Chao 1927
"Cathaysia speciosa" = Cathaysia chonetoides Chao 1927
Paryphella nasuta Liao 1984 | |
Neochonetes strophomenoides, "Neochonetes zhongyingensis" = Neochonetes (Zhongyingia) zhongyingensis, "Waagenites wongiana" = Fusichonetes wongiana, "Waagenites soochowensis" = Fusichonetes soochowensis, "Waagenites nayongensis" = Fusichonetes nayongensis, "Waagenites pigmaea" = Fusichonetes pygmaea
Neochonetes strophomenoides Waagen 1884
"Neochonetes zhongyingensis" = Neochonetes (Zhongyingia) zhongyingensis Liao 1980
"Waagenites wongiana" = Fusichonetes wongiana Chao 1928
"Waagenites soochowensis" = Fusichonetes soochowensis Chao 1928
"Waagenites nayongensis" = Fusichonetes nayongensis Liao 1980
"Waagenites pigmaea" = Fusichonetes pygmaea Liao 1980 | |
Meekella zhejiangensis Liang 1982
Meekella sichuanensis Shen et al. 1992
"Meekella perigeyerelloides" = Meekella heterofolda Liang 1990 | |
Rhynchonellata | |
Peltichia zigzag2 Huang 1933
Peltichia transversa Huang 1933
Peltichia subtriangularis n. sp.2 Shen et al. 1999 | |
Martinia mongolica Grabau 1931 | |
"Lissorhynchia pseudoutah" = Prelissorhynchia pseudoutah
"Lissorhynchia pseudoutah" = Prelissorhynchia pseudoutah Huang 1933 | |
Anchorhynchia sarciniformis Shen et al. 1992 | |
Stenolaemata | |
Stenolaemata indet. Borg 1926 |