Symplectoscyphus unilateralis (Lamouroux, 1824)
Synonyms in the area: Sertularia unilateralis Lamouroux, 1824 [polyp]; Sertularella pulchella —Jäderholm 1905 [polyp].
Distribution in South America: polyp—Pacific Ocean, Chile, at 39.95°S 73.61°W (Galea et al. 2014 p. 40–41); Atlantic Ocean, Argentina, Malvinas (Falkland) Islands (Lamouroux 1824; Jäderholm 1905; Blanco 1994a; Genzano & Zamponi 1997).
Habitat: polyp—from 5 to 40m depth (Jäderholm 1905; Blanco 1994a; Galea et al. 2014 p. 40–41).