Thomas, Oldfield, 1895, Descriptions of four small mammals from South America, including one belonging to the peculiar marsupial genus " Hydracodon, " Tomes

Thomas, Oldfield, 1895, Descriptions of four small mammals from South America, including one belonging to the peculiar marsupial genus " Hydracodon, " Tomes, Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the ' Magazine of Botany and Zoology', and of Louden and Charlesworth's ' Magazine of Natural History', Series 6 16, pp. 367-370