FIGURE 8 in Review of some little-known benthic hydroids (Cnidaria, Hydrozoa) from the Southern Ocean

FIGURE 8. Hydractinia dendritica Hickson & Gravely, 1907 (holotype): A, B, general view of two colony fragments; C, end of one colony fragment showing inner core of sponge spicules; D, part of colony with high density of ridges of perisarc (arrow); E–F, detail of colonies showing high density of gastrozooids and gonozooids (arrow indicating dactylozooids). H. dendritica (paratype): G, colony fragment showing gastrozooids and gonozooids with mature gonophores; H, detail of colony fragment showing gastrozooids and gonozooids with immature gonophores (arrow pointing to polyp with flattened hypostome). Scale bar: 10 mm (A–B), 1 mm (C–H).