Dynamena dalmasi (Versluys, 1899)

Synonyms in the area: Sertularia rathbuni —Ritchie 1909 [polyp].

Distribution in South America: polyp—Atlantic Ocean, Brazil, at 18.24°S 37.97°W, from 21.25°S to 27.99°S (Ritchie 1909; Migotto 1996; Migotto et al. 2002; Grohmann et al. 2003; Shimabukuro 2007; Grohmann et al. 2011; Silveira & Morandini 2011; Bumbeer & Rocha 2012; Miranda et al. 2015).

Habitat: polyp—from 20 to 90m depth, on algae, Ralpharia sanctisebastiani, sponges (Ritchie 1909; Migotto 1996; Shimabukuro 2007; Miranda et al. 2015).