FIGURE 3. A–F in Some hydrozoans (Cnidaria) from Central Chile and the Strait of Magellan

FIGURE 3. A–F: Halecium fjordlandicum Galea, 2007—strongly geniculate stem from small, sterile colony from Stn. YBU, S08 (A); female gonothecae in lateral (B, left), frontal (B, right), and apical (C) views; aperture of gonotheca in lateral (D) and apical (E) views; male gonotheca (F). G–M: Halecium pallens Jäderholm, 1904—distal, monosiphonic part (G) and proximal, polysiphonic part (H) of a stem; internode with renovated hydrotheca and hydranth (I); female gonotheca borne on primary hydrophore (J); female gonotheca in lateral (K, left, note the longitudinal crease line) and frontal (K, right) views; cross section through gonotheca (L); cnidome (M). N, O: Amphisbetia minima (Thompson, 1879)—basal part of a stem (N); gonotheca (O). P–S: Sertularella blanconae El Beshbeeshy, 2011—fragment of a stem with lateral branch (P); stem internodes (Q); hydrothecae (R, S). Scale bars: 10 µm (M), 100 µm (D, E), 200 µm (L), 300 µm (I); 400 µm (A–C, F), 500 µm (H, J, K, N, O, R, S), 900 µm (P, Q), 1 mm (G).