Sertularella diaphana (Allman, 1885)

Synonyms in the area: Thuiaria hyalina Allman, 1888 [polyp]; Sertularella lata —Nutting 1904; Vannucci 1951a [non Sertularella lata (Bale, 1882)] [polyp]; Sertularella speciosa —Wedler 1975; Bandel & Wedler 1987 [polyp].

Distribution in South America: polyp—Atlantic Ocean, Colombia, at Santa Marta coast, Brazil, from 3.54°S to 3.83°S, from 7.50°S to 9°S, at 9.80°S 35.80°W (Allman 1888; Nutting 1904; Vannucci 1951a; Pires et al. 1992; Migotto et al. 2002; Maronna et al. 2008, abstract; Amaral et al. 2010b; Fernandez et al. 2015).

Habitat: polyp—from 25 to 1,386m depth, on sponges and fouling (Nutting 1904; Wedler 1975; Bandel & Wedler 1987; Pires et al. 1992; Fernandez et al. 2015).