Family Sididae Baird, 1850

(10) Diaphanosoma chilense Daday, 1902 . Villarica lake (Daday 1902); Huechún Reservoir (33° 03' S; 70° 48' W)), Pellaifa lake (39° 36' S; 71° 57' W), Pucaró lake (Löffler 1961); Chungará (18° 14' S; 69° 09' W) (Paggi 1978); Catapilco reservoir (32° 38' S; 71° 27' W), Peñuelas lagoon (33° 09' S; 71° 32' W), Orozco reservoir (33° 14' S; 71° 25' W), Plateado reservoir (33° 04' S; 71° 39' W), Rapel reservoir (34° 10' S; 71° 29' W), Lanalhue lake (37° 55' S; 73° 19' W), Caburgua lake (39° 07' S; 71° 47' W), Villarrica lake (39° 16' S; 72° 07' W), Panguipulli lake (39° 41' S; 72° 15' W), Pirihueico lake (39° 56' S; 71° 48' W), Ranco lake (40° 12' S; 72° 22' W), Puyehue lake (40° 39' S; 72° 30' W), Rupanco lake (40° 49' S, 72° 30' W) (Araya & Zúñiga 1985); Arica (18° 28' S; 70° 28' S) to Puerto Montt (41° 28' S – 72° 56' W) (Berrios & Sielfeld 2000); Lagunitas lagoon (41° 28' S; 72° 56' W) (De los Ríos 2003); Chapo lake (41° 27' S; 72° 30' W) (Villalobos et al. 2003a); Tarahuin lake (42°43' S; 73° 45' W), Tepuhueico lake (42° 37' S; 73° 58' W), (Villalobos et al. 2003b); Pools at Cañi Park (39° 15' S; 71° 42' W) (De los Ríos-Escalante et al. 2010). Listed for Chile by Villalobos (2006). Löffler (1961) regarded this taxon as a variety of D. excisum Sars, 1885 . But now D. chilense is regarded as an independent taxon, distributed in southern portion of South America only (Korovchinsky 2004).

(11) Latonopsis australis Sars, 1888 s.lat. El Peral lagoon (33° 30' S; 71° 35' W) (Araya & Zúñiga 1985; Ruiz & Bahamonde 1989); "zona de Valparaiso" (Berrios & Sielfield 2000). Listed for Chile by Villalobos (2006). This is a circumtropical species group needs to be revised (Korovchinsky 1992, 2004).