Halacarellus thomasi (Newell, 1984)

Report associated with sponges: This species was collected from Ross and Weddell Sea in littoral, bathyal area from hydrozoans and sponges (Bartsch 1990; Newell 1984). This species was reported among Rossella antarctica and Anoxycalyx (Scolymastra) joubini (cited as Scolymastra joubini) collected from eastern Weddell Sea (Bartsch 1995).