"Masillamys is an extinct genus of rodent. It was named in 1954 by Tobien. It is considered 'sister genera' to the Hartenbergeromys, Lophiparamys, Mattimys, Microparamys, Pantrogna, Sparnacomys, and Strathcona genera."@en . . . . . . . "Masillamys"@en . . .