singularis, Yarra Castelnau [F. L.] 1872:231 [Proceedings of the Zoological and Acclimatisation Society of Victoria, Melbourne v. 1; ref. 757] Captain Sinnot's dock, lower Yarra River, Victoria, Australia. Holotype: MNHN A-7542. Type catalog: Bertin 1939:65 [ref. 20739]. •Synonym of Geotria australis Gray 1851 -- (Cadwallader & Backhouse 1983:214 [ref. 25473], Paxton et al. 1989:23 [ref. 12442], Fernholm 1990:79 [ref. 21677], Gomon et al. 1994:83 [ref. 22532], Kullander & Fernholm in Reis et al. 2003:11 [ref. 27061], Renaud 2011:16 [ref. 31770]). Current status: Synonym of Geotria australis Gray 1851. Geotriidae. Habitat: freshwater, brackish, marine.