Halecium dichotomum Allman, 1888

Distribution in South America: polyp—Atlantic Ocean, Brazil, from 20.25°S to 24°S, at 27.16°S 48.37°W, and at 35.16°S 52.76°W (Migotto 1996; Grohmann 1997, 2006; Grohmann et al. 1997; Nogueira et al. 1997; Migotto et al. 2002; Oliveira 2003; Oliveira et al. 2006; Oliveira & Marques 2007, 2011; Shimabukuro 2007; Silveira & Morandini 2011; Miranda et al. 2015).

Habitat: polyp—from intertidal zone to 6m, on algae, bryozoan, Musculus lateralis, rocks (Migotto 1996; Oliveira 2003; Grohmann 2006; Oliveira et al. 2006; Oliveira & Marques 2007, 2011; Shimabukuro 2007).