Martensia australis Harvey, 1855b: 537 (type locality: King George Sound, Western Australia).—Harvey, 1858b: pl. VIII.— J. Agardh, 1863 [1851–1863]: 827–828.— Harvey, 1863: xiv.— Sonder, 1880: 31.— De Toni, 1900: 615–616.— Svedelius, 1908b: figs. 7, 40.— Lucas, 1909: 35.— De Toni, 1924: 320.— Huisman & Walker, 1990: 430.— Millar, 1990: 417.
INDIAN OCEAN DISTRIBUTION: Australia.