"Arginbaatar is a genus of extinct mammal from the Lower Cretaceous of Mongolia. It was a member of the Multituberculata, an order which is also extinct. It belongs to the family Arginbaataridae (Hahn & Hahn 1983). The genus Arginbaatar was named by Trofimov B.A. in 1980. Baatar is Mongolian for \"hero\" or \"warrior.\"The primary species, Arginbaatar dmitrievae, was also named by Trofimov."@en . . . "Arginbaatridae"@en . . . . .