Class Mammalia Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Suborder Sciurognathi (Tullberg, 1899) see Suborder Sciuromorpha Brandt, 1855
       Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
         Subfamily Murinae Batsch, 1788 - Old World mice and rats
           Genus Rattus Fischer de Waldheim, 1803 - rats
             01 Rattus adustus Sody, 1940
             02 Rattus annandalei (Bonhote, 1903) - Annandale's rat
             03 Rattus argentiventer (Robinson & Kloss, 1916) - ricefield rat
             04 Rattus baluensis (Thomas, 1894) - summit rat
             05 Rattus bontanus Thomas, 1921
             06 Rattus burrus (Miller, 1902)
             07 Rattus colletti (Thomas, 1904) - dusky rat
             08 Rattus elaphinus Sody, 1941
             09 Rattus enganus (Miller, 1906)
             10 Rattus everetti (Guenther, 1879)
             11 Rattus exulans (Peale, 1848) - Polynesian rat
             12 Rattus feliceus Thomas, 1920
             13 Rattus foramineus Sody, 1941
             14 Rattus fuscipes (Waterhouse, 1839) - bush rat
             15 Rattus giluwensis Hill, 1960
             16 Rattus hainaldi Kitchener et al., 1991
             17 Rattus hoffmanni (Matschie, 1901) - wild Sulawesian rat
             18 Rattus hoogerwerfi Chasen, 1939
             19 Rattus jobiensis Ruemmler, 1935
             20 Rattus koopmani Musser & Holden, 1991
             21 Rattus korinchi (Robinson & Kloss, 1916)
             22 Rattus leucopus (Gray, 1867) - mottle-tailed rat
             23 Rattus losea (Swinhoe, 1871) - lesser ricefield rat
             24 Rattus lugens (Miller, 1903)
             25 Rattus lutreolus (J.E. Gray, 1841) - Australian swamp rat
             26 ‡Rattus macleari (Thomas, 1887) - Christmas Island rat
             27 Rattus marmosurus Thomas, 1921
             28 Rattus mindorensis (Thomas, 1898)
             29 Rattus mollicomulus Tate & Archbold, 1935
             30 Rattus montanus Phillips, 1932
             31 Rattus mordax (Thomas, 1904)
             32 Rattus morotaiensis Kellogg, 1945
             33 ‡Rattus nativitatis (Thomas, 1889) - Christmas Island rat
             34 Rattus nitidus (Hodgson, 1845) - Himalayan rat
             35 Rattus norvegicus (Berkenhout, 1769) - brown rat
             36 Rattus novaeguineae Taylor & Calaby, 1982
             37 Rattus osgoodi Musser & Newcomb, 1985
             38 Rattus palmarum (Zelebor, 1869)
             39 Rattus pelurus Sody, 1941
             40 Rattus praetor (Thomas, 1888) - variable spiny rat
             41 Rattus ranjiniae Agrawal & Ghosal, 1969
             42 Rattus rattus (C. Linnaeus, 1758) - roof rat
             43 Rattus sanila Flannery & White, 1991
             44 Rattus sikkimensis Hinton, 1919
             45 Rattus simalurensis (Miller, 1903)
             46 Rattus sordidus (Gould, 1858) - Australian dusky field rat
             47 Rattus steini Ruemmler, 1935
             48 Rattus stoicus (Miller, 1902)
             49 Rattus tanezumi Temminck, 1844
             50 Rattus tawitawiensis Musser & Heaney, 1985
             51 Rattus timorensis Kitchener, Aplin & Boeadi, 1991
             52 Rattus tiomanicus (Miller, 1900) - Malaysian field rat
             53 Rattus tunneyi (Thomas, 1904) - Tunney's rat
             54 Rattus turkestanicus (Satunin, 1903) - Turkestan rat
             55 Rattus villosissimus (Waite, 1898) - long-haired rat
             56 Rattus xanthurus (Gray, 1867)