FIGURE 4. Thuiaria polycarpa Kirchenpauer, 1884 in Additions to the hydroids (Cnidaria: Hydrozoa) from the fjords region of southern Chile

FIGURE 4. Thuiaria polycarpa Kirchenpauer, 1884 (A to E). A: Fragment of stem with gonotheca. B: Various shapes of the gonotheca. C: Apical part of gonotheca, lateral view. D: Aperture of gonotheca, view from inside. E: Undischarged nematocysts from tentacles of hydranth. Amphisbetia operculata (Linnaeus, 1758) (F). F: Whole stem. Scale bars: 1 mm (B), 500 µm (A), 300 µm (F), 200 µm (C), 100 µm (D), 10 µm (E).