Dajialian Section, Bed 25 (73YPVI F30,31-1-2), Xihuancang, Tianjun District (Triassic of China)

Where: Qinghai, China (37.5° N, 99.4° E: paleocoordinates 29.8° N, 81.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Dajialian Formation (Junzihe Group), Anisian (247.2 - 242.0 Ma)

• 21.88 m thick

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, gray limestone

Size class: macrofossils

Primary reference: G. C. Liu and H. F. Yin. 1983. Middle Triassic, Jinzihe Formation. In Z. Y. Yang, H. F. Yin, G. R. Xu, S. B. Wu, Y. L. He, G. C. Liu, J. R. Yin (eds.), Triassic of the southern Qilian Mountains 11-21 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101040: authorized by Matthew Clapham, entered by Matthew Clapham on 15.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferinida - Spiriferellinidae
Pseudospiriferina sp. Yang and Xu 1966
 Terebratulida - Dielasmatidae
Sulcatinella sp. Dagys 1974
Bivalvia
 Trigoniida - Myophoriidae
"Leviconcha ovata" = Neoschizodus ovatus Goldfuss 1838 clam
Neoschizodus laevigatus Ziethen 1830 clam
 Pectinida - Anomiidae
 Pectinida - Hunanopectinidae
Leptochondria albertii Goldfuss 1838 scallop
ssp. plana
 Pectinida - Aviculopectinidae
"Neomorphotis sp." = Eumorphotis
"Neomorphotis sp." = Eumorphotis Bittner 1901 scallop
 Pectinida - Pectinoidae
Pecten liscaviensis Giebel 1856 scallop
 Pectinida - Entoliidae
Entolium discites Schlotheim 1820 scallop