Where: Shanxi, China (37.4° N, 110.8° E: paleocoordinates 33.8° N, 88.7° E)
• coordinate stated in text
• small collection-level geographic resolution
When: Shihtienfeng, Shiqianfeng, Sunjiagou Formation, Changhsingian (254.2 - 252.2 Ma)
• "lower part of Shihtienfeng Formation, Upper Permian" (Gao, 1989 pp. 1234, 1238);
•Li & Liu (2013) use "Sunjiagou Formation" for this occurrence, whereas earlier literature used "Shihtienfeng" or "Shiqianfeng".
•Benton (2016) correlates the Sunjiagou Formation to the Changhsingian
• group of beds-level stratigraphic resolution
Environment/lithology: fluvial; lenticular, fine-grained, red conglomerate and red mudstone
Size class: macrofossils
Collected in 1978-1979; reposited in the IVPP
Primary reference: K. Gao. 1989. Pareiasaurs from the Upper Permian of north China. Canadian Journal of Earth Sciences 26:1234-1240 [J. Mueller/J. Dummasch/J. Dummasch]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 78694: authorized by Johannes Mueller, entered by Jana Dummasch on 14.02.2008, edited by Torsten Liebrecht and Richard Butler
Creative Commons license: CC BY (attribution)
Taxonomic list
| Osteichthyes | |
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Therapsida indet.2 Broom 1905 therapsid IVPP V6727 (scapulocoracoid, previously identified as Shansisaurus sp. by Gao, 1989)
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| Reptilia | |
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Pareiasauridae indet., "Shihtienfenia permica" = Shihtienfenia permica2, "Shansisaurus xuecunensis n. gen. n. sp." = Shihtienfenia permica1, Sanchuansaurus pygmaeus n. gen. n. sp.
"Shihtienfenia permica" = Shihtienfenia permica2 Young and Yeh 1963 parareptile IVPP V8533 (scapulocoracoid; determined as Pareiasauridae indet. by Gao, 1989)
"Shansisaurus xuecunensis n. gen. n. sp." = Shihtienfenia permica1 Young and Yeh 1963 parareptile IGCAGS V 301 (holotype), a vertebra, left scapulocoracoid and femur, IVPP V18614, dentary described by Li & Liu (2013)
Sanchuansaurus pygmaeus n. gen. n. sp. Gao 1989 parareptile IVPP V6723 (type), right maxilla. IVPP V6724, left femur, IVPP V6725, left fibula
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