microvertebrate locality, 16 km northeast of Erenhot (Cretaceous to of China)

Where: Nei Mongol, China (43.7° N, 112.1° E: paleocoordinates 42.9° N, 100.8° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Iren Dabasu Formation, Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; poorly lithified sandstone

• "poorly consolidated sandy sediment"

Size class: mesofossils

Reposited in the IVPP

Collection methods: bulk,

Primary reference: X. Yao, X.-L. Wang, C. Sullivan, S. Wang, T. A. Stidham and X. Xu. 2015. Caenagnathasia sp. (Theropoda: Oviraptorosauria) from the Iren Dabasu Formation (Upper Cretaceous: Campanian) of Erenhot, Nei Mongol, China. Vertebrata PalAsiatica 53(4):291-298 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 175225: authorized by Matthew Carrano, entered by Matthew Carrano on 07.12.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Osteichthyes -
Osteichthyes indet. Huxley 1880 bony fish
Reptilia
 Testudinata -
Testudinata indet. Oppel 1811 turtle
 Ornithischia -
Hadrosauroidea indet. Huene 1954 ornithopod
 Theropoda - Dromaeosauridae
Dromaeosauridae indet. Colbert and Russell 1969 maniraptoran
 Theropoda - Caenagnathidae
Caenagnathasia sp. Currie et al. 1994 maniraptoran
IVPP V 20377, fused dentaries
 Theropoda - Ornithomimidae
Ornithomimidae indet. Marsh 1890 ornithomimid
 Theropoda -
Tyrannosauroidea indet. Walker 1964 coelurosaur