Order Rodentia - Family Muridae Author Guy G. Musser Author Michael D. Carleton text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 501 755 book chapter http://doi.org/10.5281/zenodo.7353098 1-56098-217-9 7353098 Rattus tawitawiensis Musser and Heaney, 1985 . Am. Mus. Novit., 2818:5 . TYPE LOCALITY: Philippines , Sulu Arch., Tawitawi Isl, Batu Batu . DISTRIBUTION: Tawitawi Island in southern part of Sulu Arch. COMMENTS: Known only by three specimens . Phylogenetic affinities unclear; in some traits resembles Sulawesian R. hoffmanni more closely than any other described species of Rattus from the Indo-Australian region (Musser and Heaney, 1985).