Where: Qinghai, China (37.7° N, 98.7° E: paleocoordinates 22.6° N, 80.7° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Caodigou Formation (Bayinhe Group), Wuchiapingian (259.9 - 254.2 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified lithology not reported
Size class: macrofossils
Primary reference: Y. J. Lu. 1986. Permian lamellibranchs from Buha River valley, Tianjun district, Qinghai. Acta Palaeontologica Sinica 25(4):463-473 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 112864: authorized by Matthew Clapham, entered by Matthew Clapham on 17.07.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Astartella cf. nasuta Girty 1909 clam | |
? Aviculopecten subparadoxus n. sp., ? Aviculopecten qinghaiensis n. sp., Aviculopecten cf. kaibabensis
? Aviculopecten subparadoxus n. sp. Lu 1986 scallop
? Aviculopecten qinghaiensis n. sp. Lu 1986 scallop
Aviculopecten cf. kaibabensis Newell 1938 scallop |