Order Diprotodontia Author Colin P. Groves text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 45 62 book chapter 193479 10.5281/zenodo.7353075 f3e18b59-04c6-4ced-a95a-73477199b841 1-56098-217-9 7353075 Petrogale Gray, 1837 . Mag. Nat. Hist. [Charlesworth's], 1:583 . TYPE SPECIES: Kängurus penicillatus Gray, 1827 . SYNONYMS: Heteropus, Peradorcas . COMMENTS: Revision of this genus is underway by Sharman, Eldridge et al.; a preliminary account of their arrangement was provided by Poole (1979) and Briscoe et al. (1982) . Kitchener and Sanson (1978) considered this genus as probably congeneric with Peradorcas .