Sphaeronectes fragilis Carré, 1967

Remarks: the record from Argentinean coast needs confirmation, as only a single, not well preserved, nectophore was found in this area.

Distribution in South America: Pacific Ocean, Chile, from 23ºS to 43ºS, and in the fjords and channels of southern Chile (Palma & Rosales 1995, 1997; Ulloa et al. 2000; Palma & Aravena 2001; Palma & Apablaza 2004; Apablaza & Palma 2006; Palma et al. 2007b, 2011; Villenas et al. 2009; Pavez et al. 2010); Atlantic Ocean, Argentina, at 43ºS (Araujo 2012).

Habitat: neritic and oceanic species, found in tropical, subtropical, temperate waters (Pugh 2009; Araujo 2012).