Dajialian Section, Bed 10 (73YPVI F11-1-2), 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)

• 37.23 m thick

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, shelly/skeletal, 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 101025: authorized by Matthew Clapham, entered by Matthew Clapham on 15.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Anomiidae
Placunopsis sp. Morris and Lycett 1853 scallop
 Pectinida - Aviculopectinidae
"Neomorphotis spinosa" = Eumorphotis
"Neomorphotis spinosa" = Eumorphotis scallop
 Pectinida - Hunanopectinidae
Leptochondria albertii Goldfuss 1838 scallop
ssp. plana
 Pectinida - Entoliidae
Entolium sp. Meek 1865 scallop
Entolium discites Schlotheim 1820 scallop
 Pectinida - Pectinoidae
Aequipecten sp. Fischer 1886 scallop