Type Specimens of Non-fossil Mammals in the Australian Museum, Sydney Author Parnaby, Harry E. Author Ingleby, Sandy Author Divljan, Anja text Records of the Australian Museum 2017 2017-10-06 69 5 277 420 http://dx.doi.org/10.3853/j.2201-4349.69.2017.1653 journal article 10.3853/j.2201-4349.69.2017.1653 2201-4349 5237800 68F315FF-3FEB-410E-96EC-5F494510F440 Uromys macropus exilis Troughton & Le Souef, 1929b Aust. Zool. 6: 98. ( 13 August 1929 ). Common name . Giant White-tailed Rat. Current name . Uromys caudimaculatus caudimaculatus ( Krefft, 1867b ) , following Jackson & Groves (2015). Holotype . M.4378 by original designation. Female adult, skull ( Fig. 47 ), study skin, originally as body in alc., collected by A. S. Le Souef in September 1928 ; registered on 7 September 1928 . Condition . Cranium missing both auditory bullae, left auditory capsule is partially detached; left dentary missing distal part of coronoid process; right dentary complete. Study skin: missing scales on c. 1 cm of the proximal end of tail, otherwise in good condition. Figure 47. AM M.4378, holotype skull of Uromys macropus exilis Troughton & Le Souef, 1929b . (Photography by Sally Cowan). Type locality . Hinchinbrook Island, North Qld, Australia . Comments . Described from a single specimen. Troughton subsequently elevated exilis to species rank, believing that it was “very distinct” from mainland Australian Uromys based on cranial characters ( Troughton, 1941 and subsequent editions).