Sulculeolaria biloba (Sars, 1846)
Synonyms in the area: Galeolaria australis —Leloup, 1932.
Remarks: the numerous doubtful synonyms used for this species in the past, such as Galeolaria australis (Leloup, 1932) make it difficult to confirm some of the early records (Totton 1954; Pagès & Gili 1992).
Distribution in South America: Pacific Ocean, Colombia, from 5°N to 4°N (Cely & Chiquillo 1993), Peru, off northern coast (IMARPE database); Chile, at 23ºS off Antofagasta (Pagès et al. 2001), at 33ºS 78ºW in adjacent waters off Juan Fernández archipelago (Leloup 1932); Atlantic Ocean, Brazil to Argentina, from 0º to 48ºS (Moser 1925; Leloup 1937; Leloup & Hentschel 1935; Seguin 1965; Alvariño 1968, 1971, 1981; Cordeiro & Montú 1991; Pugh 1999, Migotto et al. 2002; Araujo 2006, 2012; Silveira & Morandini 2011; specimens collected in this sudy).
Habitat: neritic and oceanic species, found in tropical and subtropical waters (Alvariño 1971; Gili 1986; Pagès & Gili 1992; Pugh & Gasca 2009; Araujo 2012).