Diphasia digitalis (Busk, 1852)
Synonyms in the area: Desmoscyphus acanthocarpus Allman, 1888 [polyp]; Nigellastrum digitale —Vannucci 1949, 1951a [polyp].
Distribution in South America: polyp—Atlantic Ocean, Colombia, at Santa Marta coast, Brazil, at 3.54°S 38.8°W, from 7.60°S to 8.70°S, from 11.50°S to 18.30°S, from 22.50°S to 23.77°S (Allman 1888; Vannucci 1949, 1951a; Maÿal 1973, 1983; Wedler 1975; Bandel & Wedler 1987; Calder & Maÿal 1998; Migotto et al. 2002; Silveira & Morandini 2011; Fernandez et al. 2014, 2015; Miranda et al. 2015).
Habitat: polyp—in estuarine regions and rocky shores, from intertidal zone to 36m depth, on algae, mud, Rhizophora mangle roots, fouling, rocks, shells (Allman 1888; Bandel & Wedler 1987; Calder & Maÿal 1998; Fernandez et al. 2014, 2015; Miranda et al. 2015).