Locality B59 - Shales, Kaixinling, SW of Tuotuo station, Qiangtang Terrane (Permian to of China)

Where: Qinghai, China (34.2° N, 92.3° E: paleocoordinates 27.1° S, 77.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Kaixinling Group, Ufimian to Ufimian (279.5 - 268.0 Ma)

• Kaixinling Group; Maukouan, early Upper Permian; from shales immediately underlying the drift coal beds;

•The Maukouan is considered by chinese stratigraphers the equivalent of the Ufimian and Kazanian (Zhang 1984), Haq and Van Eysinga (1987) consider the Maukouan more or less equivalent to the Kazanian.

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified shale

• succession of fluvio-marine clastics with drift coal beds, overlain by thick bedded limestones; marginal marine to shallow marine facies

Size class: macrofossils

Collection methods: Paleontological collections made on the 1985 Geotraverse.

Primary reference: A. B. Smith and J. Xu. 1988. Palaeontology of the 1985 Geotraverse, Lhasa to Golmud. Philosophical Transactions of the Royal Society of London A 327:53-105 [M. Aberhan/S. Nurnberg/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 68580: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 28.01.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Compsopteris contracta
C. contracta var. punctinervis
 Productida - Echinoconchidae
cf. Bilotina sp. Reed 1944
new genus cf. Bilotina
 Orthotetida - Meekellidae
cf. Perigeyerella tricosa Grant 1976
Davidsoniavean - cf. Perigeryella tricosa
 Orthida - Schizophoriidae
"Orthotichia cf. waterhousei" = Kotlaia waterhousei
"Orthotichia cf. waterhousei" = Kotlaia waterhousei Grant 1976
 Pectinida - Entoliidae
? Pernopecten sp. Winchell 1865 scallop
 Pectinida - Streblochondriidae
"? Guizhopecten sp." = Guizhoupecten
"? Guizhopecten sp." = Guizhoupecten Chen 1962 scallop
 Pectinida - Aviculopectinidae
Aviculopectinidae indet. Meek 1864 scallop
Aviculopectinid, genus indet.
Aviculopecten sp. M'Coy 1851 scallop
 Pectinida - Heteropectinidae
? Etheripecten sp. Waterhouse 1963 scallop
 Pectinida - Pseudomonotidae
? Pseudomonotis sp. von Beyrich 1862 scallop
 Ostreida - Pterineidae
Leptodesma sp. Hall 1883 oyster
 Mytilida - Mytilidae
sensu lato Mytilus sp. Linnaeus 1758 mussel
 Gigantopteridales -
Gigantonoclea sp. Koidzumi 1936
Gigantonoclea or Gigantopteris