Halopteris carinata Allman, 1877

Distribution in South America: polyp—Atlantic Ocean, Colombia, at Santa Marta coast, Brazil, at 8.71°S 35.10°W, at 9.77°S 35.84°W, from 18.5°S to 22°S, at 26.76°S 46.78°W (Wedler 1975; Bandel & Wedler 1987; Calder & Maÿal 1998; Grohmann et al. 2003; Maronna et al. 2008, abstract; Miranda et al. 2015).

Habitat: polyp—in estuarine regions and rocky bottoms, on algae, sponges, dead gorgonians, rocks, sand, shell hash and wood pilings (Bandel & Wedler 1987; Calder & Maÿal 1998).