Halecium dyssymetrum Billard, 1929

Synonyms in the area: Endothecium dyssymetrum —Grohmann, 1997 [polyp]; Halecium dyssymmetrum —Shimabukuro 2007 [incorrect subsequent spelling] [polyp].

Distribution in South America: polyp—Atlantic Ocean, Brazil, at 20.27°S 40.27°W, from 23°S to 27.99°S (Grohmann 1997, 2006; Grohmann et al. 1997; Rosso & Marques 1997; Migotto 1996; Migotto et al. 2002; Oliveira 2003; Oliveira et al. 2006; Bornancin 2008; Oliveira & Marques 2007, 2011; Shimabukuro 2007; Silveira & Morandini 2011; Miranda et al. 2011, 2015; Fernandez et al. 2014, 2015).

Habitat: polyp—from intertidal zone to 5m depth, on algae, fouling, ascidians, mussels, hydroids, rock, sponges (Migotto 1996; Oliveira 2003; Oliveira et al. 2006; Bornancin 2008; Oliveira & Marques 2007, 2011; Shimabukuro 2007; Miranda et al. 2011; Fernandez et al. 2014, 2015).