Spencer reported more emu bones from King Island in 1910, which he compared to bones from Kangaroo Island which were by then considered to belong to D. peroni. The Australian amateur ornithologist Gregory Mathews coined further names in the early 1910s, including a new genus name, Peronista, as he believed the King and Kangaroo Island birds were generically distinct from the mainland emu.
Spencer reported more emu bones from King Island in 1910, which he compared to bones from Kangaroo Island which were by then considered to belong to D. peroni. The Australian amateur ornithologist Gregory Mathews coined further names in the early 1910s, including a new genus name, Peronista, as he believed the King and Kangaroo Island birds were generically distinct from the mainland emu.