Thyroscyphus marginatus (Allman, 1877)

Synonyms in the area: Obelia marginata —Versluys 1899 [polyp]; Campanularia marginata —Fraser 1947; Vannucci 1949, 1950, 1951a, 1951b; Maÿal 1973, 1978, 1983 [polyp]; Cnidoscyphus marginatus —Leloup 1937; Van Gemerden-Hoogeveen 1965; Wedler 1975 [polyp]; Bandel & Wedler 1987 [polyp].

Distribution in South America: polyp—Pacific Ocean, Peru, at San Nicholas Bay (Fraser 1947); Atlantic Ocean, at Aruba, at Curaçao, Colombia, at Santa Marta coast, Venezuela, at Los Testigos Island, Brazil, from 7.50°S to 9°S, and from 20°S to 23.09°S (Versluys 1899; Leloup 1937; Fraser 1947; Vannucci 1949, 1950, 1951a, 1951b; Van Gemerden-Hoogeveen 1965; Maÿal 1973, 1978, 1983; Wedler 1975; Bandel & Wedler 1987; Grohmann et al. 2003; Miranda et al. 2015).

Habitat: polyp—from 11 to 40m depth, on angiosperms (Versluys 1899; Vannucci 1949, 1950; Maÿal 1978).