north side of Iren Dabasu lake (Cretaceous to of China)

Also known as site L

Where: Nei Mongol, China (43.8° N, 112.4° E: paleocoordinates 43.1° N, 101.0° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

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

• The Iren Dabasu Formation is Middle–Late Campanian according to Xing et al. 2012

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by SSPE in 1959-7 Jul 1959

Collection methods: quarrying,

• collected from 14 June to 7 July 1959. Includes "three partially complete skeletons of some small carnosaurian dinosaurs and small ornithopods (of Struthiomimus type)." Taxon reference is probably to original assignment of ornithomimids to the Ornithopoda. The three specimens cannot be divided amongst the taxa based on this statement.

Primary reference: M. Chow and A. K. Rozhdestvensky. 1960. Exploration in Inner Mongolia: a preliminary account of the 1959 field work of the Sino-Soviet Paleontological Expedition (SSPE). Vertebrata PalAsiatica 4(1):1-10 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 28778: authorized by Matthew Carrano, entered by Matthew Carrano on 24.02.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia -
 Ornithischia -
Bactrosaurus sp. Gilmore 1933 ornithopod
 Theropoda - Ornithomimidae
Ornithomimidae indet. Marsh 1890 ornithomimid
 Avetheropoda -
 Loricata -
Crocodylia indet. crocodilian
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle