Halecium delicatulum Coughtrey, 1876

Material examined: BBB 2016: St. 4; St. 34; St. 39. GARCÍA 2015: St. 4; St. 5, St. 6 (MACN-In: 43477).

Distribution: circumpolar distribution in subtropical and temperate waters (Vervoort 1972). This species was frequently reported in the southwestern Atlantic Ocean. This is the first record of this species in MPA Namuncurá I.

Remarks: Unfertile colonies growing on plumularids hydroids were found.