FIGURE 1A–G in Two bathyal hydroids (Hydrozoa: Leptothecata) from the Southwest Indian Ocean

FIGURE 1A–G Stegolaria laevigata sp. nov. 1A, branch of holotype colony. 1B, polysiphonic tubes of branch and monosiphonic hydrocladium. 1C, hydrotheca immersed in axial tubes, two intact opercular valves. 1D, hydrotheca on monosiphonic axial tube with shredded operculum and collapsed free adcauline wall. 1E, basal perisarcal lamella with anchoring spokes of tissue in hydrotheca. 1F, small and large heteroneme nematocysts. Scale bar: A, 10 mm. B, 2 mm. C, D, 0.5 mm. E, 0.2 mm. F, 20µm.