Symplectoscyphus quadrifidus (Hartlaub, 1900)

Synonyms in the area: Thuiaria quadridens Allman, 1888 [polyp]; Sertularella quadrifida Hartlaub, 1900 p. 120, 1905 p. 640–641; Jäderholm 1905 [polyp].

Distribution in South America: polyp—Atlantic Ocean, Argentina, at 51.58°S 65.65°W, and at east of Malvinas (Falkland) Islands (Allman 1888; Jäderholm 1905; Blanco 1994a; Genzano & Zamponi 1997). Habitat: polyp—from 126 to 150m depth (Allman 1888; Jäderholm 1905; Blanco 1994a).