Corymorpha gracilis (Brooks, 1882)

Synonyms in the area: Euphysora gracilis —Vannucci 1963; Moreira 1973, 1978; Navas-Pereira 1974, 1980, 1981; Goy 1979; Ramírez & Zamponi 1980, 1981; Correia 1983; Genzano et al. 2008a [medusa].

Remarks: the distribution range provided by Ramírez & Zamponi (1981) is not based on specific records and, therefore, we did not consider that information for this species.

Distribution in South America: medusa—Atlantic Ocean, Brazil to Uruguay, from 8.75°S to 35.17°S (Vannucci 1957a, 1963; Moreira 1973, 1978; Goy 1979; Navas-Pereira 1974, 1980, 1981; Ramírez & Zamponi 1980; Correia 1983; Migotto et al. 2002; Tronolone 2001, 2008; Genzano et al. 2008a; Nascimento 2010; Silveira & Morandini 2011; Nogueira Jr. 2012; Bonecker et al. 2014; Nagata et al. 2014a, 2014b; Nogueira Jr. et al. 2015a, 2015b).

Habitat: medusa—eurythermic and euryhaline species, from surface to 615m depth (Vannucci 1957, 1963; Correia 1983; Nascimento 2010).