australe, Acentronura Waite [E. R.] & Hale [H. M.] 1921:317, Fig. 53 [Records of the South Australian Museum (Adelaide) v. 1 (no. 4); ref. 4569] St. Vincent Gulf, South Australia. Holotype: SAMA F719. Paratypes: SAMA F720 (1). Type catalog: Glover 1976:171 [ref. 19449]. •Valid as Acentronura australe Waite & Hale 1921 -- (Dawson 1984:157 [ref. 5276], Dawson 1985:18 [ref. 6541], Paxton et al. 1989:412 [ref. 12442], Gomon et al. 1994:443 [ref. 22532], Hutchins 2001:26 [ref. 25847], Stewart 2015:1053 [ref. 34254]). •Valid as Idiotropiscis australis (Waite & Hale 1921) [often seen as australe] -- (Kuiter 2004:163 [ref. 27782], Paxton et al. 2006:831 [ref. 29073], Kuiter 2008:460 [ref. 30642], Kuiter 2009:147 [ref. 30404], Hamilton et al. 2016:Supplement 2 [ref. 35615], Short & Trnski 2021:824 [ref. 38639], Short et al. 2024:323 [ref. 41542]). Current status: Valid as Idiotropiscis australis (Waite & Hale 1921). Syngnathidae: Syngnathinae. Distribution: Southern Hemisphere: southern and southwestern Australia. Habitat: marine.