Genus: Liaobaatar KUSHUHASHI, HU, WANG, SETOGUCHI & MATSUOKA, 2009
Etymology: Liao, after Liaoning Province where the new species is from, and Mongolian, baatar, "hero," which has been used as a suffix for generic names of many Asian Cretaceous multituberculates.

Species: changi KUSHUHASHI, HU, WANG, SETOGUCHI & MATSUOKA, 2009
Etymology: In honor of Professor Zhenglu Chang who has contributed great efforts to the geological and paleontological study on the Mesozoic strata in northeastern China.

Holotype: IVPP V14489

Locality: Fuxin, Liaoning Province, northeastern China.

Horizon: Fuxin Formation.

Biostratigraphy:

Age: Late Aptian or Early Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Right lower jaw with incisor, p2 to p4, m1 and m2 and fragment of left lower jaw with p2, p3, proken p4 and m1.

Referred material:

IVPP V14483: Fragmentary right lower jaw with broken incisor, p2 to p4 and m1, and isolated broken incisor fragment.

IVPP V14500: Fragmentary left lower jaw with p3, p4 and m1.