gallegensis, Geotria macrostoma forma Smitt [F. A.] 1901:26, Pl. 4 [Bihang till Kongl. Svenska vetenskaps-akademiens handlingar. Stockholm v. 26 (Afd. 4) (no. 13); ref. 14768] Río Turbios, tributary of River Gallegos, southeastern Argentina. Syntypes: NRM 17755 (1), 28537 (30), 28995-98 (1, 1, 1, 3), 30109 (6), 30111 (8), 30118 (fragments), 43782 (9). Described as a subspecies on p. 29, also as a forma; regarded as subspecific. Not treated by Renaud 2011:16 [ref. 31770]. •Synonym of Geotria australis Gray 1851 -- (Kullander & Fernholm in Reis et al. 2003:11 [ref. 27061]). •Valid as Exomegas gallegensis (Smitt 1901) -- (Lacoste et al. 2021:[3] [ref. 38542]). •Synonym of Geotria macrostoma (Burmeister 1868) -- (Riva-Rossi et al. 2020:8 [ref. 37546]). Current status: Synonym of Geotria macrostoma (Burmeister 1868). Geotriidae. Habitat: freshwater, brackish, marine.