Kamptobaatar
Scientific classification
Kingdom: Animalia
Therapsida
Class: Mammalia
Order: Multituberculata
Family: Sloanbaataridae
Genus: Kamptobaatar
Species
  K. kuczynskii

Ref.

Kamptobaatar is a Mongolian mammal genus from the Upper Cretaceous. It lived at the same time as the later dinosaurs. This animal was a member of the extinct order of Multituberculata.
For those of a technical disposition, it's within the suborder of Cimolodonta, and a member of the family Sloanbaataridae.

Genus: Kamptobaatar Kielan-Jaworowska Z, 1970
'bent hero'
Remarks: 'Bent' refers to the observable bend of the zygomatic arches in the skull.

Species: Kamptobaatar kuczynskii Kielan-Jaworowska Z, 1970
Place: Djadokhta Formation
Country: Mongolia
Age: Upper Cretaceous
Remarks: The skull had a length of about 2cm, whilst the whole critter was a mighty 10cm.
Reference: Kielan-Jaworowska (1970), New Upper Cretaceous multituberculate genera from Bayn Dzak, Gobi Desert. Palaentologica Polonica, 21, p.35-49.

Page references: Kielan-Jaworowska Z & Hurum JH (2001), Phylogeny and Systematics of multituberculate mammals. Paleontology 44, p.389-429.

(This information has been derived from [1] MESOZOIC MAMMALS; Djadochtatherioidea, an internet directory. As that's my webpage, there are no issues of copyright. Trevor Dykes)