Dajialian Section, Bed 24 (73YPVI F28-1-6), 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)

• 22.46 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 101039: authorized by Matthew Clapham, entered by Matthew Clapham on 15.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

 Athyridida - Neoretziidae
 Terebratulida - Dielasmatidae
Sulcatinella sp. Dagys 1974
 Spiriferinida - Bittnerulidae
Hirsutella extraruga Yang and Yin 1962
 Spiriferinida - Spiriferellinidae
Pseudospiriferina sp. Yang and Xu 1966
 Spiriferinida - Balatonospiridae
Nudispiriferina minima Yang and Xu 1966
 Rhynchonellida - Cyclothyrididae
Costirhynchopsis rhomba Yang and Yin 1962
 Pectinida - Hunanopectinidae
 Pholadomyida - Pholadomyidae
Homomya ex gr. impressa Alberti 1864 clam