FIGURE 9. A to F: Halopteris vervoorti sp. nov. — fragment of stem (A); cladial hydrotheca in lateral view (B); frontal view of two cladial hydrothecae, note presence of either two (left) or one (right) axillar nematothecae (C); different shapes of lateral nematotheca (D); gonotheca (E); nematocysts (F). G and H: Kirchenpaueria halecioides (Alder, 1859) — fragment of stem (G); female gonotheca (H). I: Plumularia floridana Nutting, 1900 — fragment of stem with cladia and gonothecae. J: Plumularia sp. — fragment of stem and cladium. Scale bars: 10 µm (F); 30 µm (D); 100 µm (B, C); 200 µm (A, E, I); 300 µm (G, H, J)
FIGURE 9. Antennella secundaria (Gmelin, 1791): A, third stem internode with nematothecae; B, ahydro...
FIGURE 5. A to C: Plumularia setacea (Linnaeus, 1758) – stem internode and basal part of cladium (A)...
FIGURE 3. A, B: Clytia hemisphaerica (Linnaeus, 1767)―hydro- (A) and gonotheca (B). C, D: Clytia nol...
FIGURE 8. A to D: Halopteris alternata (Nutting, 1900) — fragment of stem (A); male (B) and female (...
FIGURE 8. A to D: Halopteris alternata (Nutting, 1900)—fragment of stem (A); male (B) and female (C)...
FIGURE 7. A: Sertularia tumida Allman, 1877 — fragment of stem. B: Sertularia turbinata (Lamouroux, ...
FIGURE 3. A to D: Coryne sp. — Hydroid with propagulae budding off from tips of branch-like structur...
FIGURE 8. A–H: Halopteris tenella (Verrill, 1874)―stem internodes and cladia (A–C); hydrothecate int...
FIGURE 9. a, Sertularella unituba: part of hydrocaulus with two hydrothecae, ROMIZ B1099, scale equa...
FIGURE 4. A and B: Clytia linearis (Thornely, 1900) — fragment of colony (A); gonotheca (B). C: Clyt...
FIGURE 4. A and B: Clytia linearis (Thornely, 1900)—fragment of colony (A); gonotheca (B). C: Clytia...
FIGURE 2. A and B: Bougainvillia sp. — fragment of colony (A); nematocysts (B). C: Millardiana longi...
FIGURE 6. A to E: Sertularella peculiaris (Leloup, 1935) — two erect colonies (A); fragment of colon...
FIGURE 8. A–H: Halopteris tenella (Verrill, 1874)―stem internodes and cladia (A–C); hydrothecate int...
FIGURE 9. A–F, Nemertesia irregularis (Quelch, 1885) (stn GeoB 14871–2): A, hydrocladium and apophys...
FIGURE 9. Antennella secundaria (Gmelin, 1791): A, third stem internode with nematothecae; B, ahydro...
FIGURE 5. A to C: Plumularia setacea (Linnaeus, 1758) – stem internode and basal part of cladium (A)...
FIGURE 3. A, B: Clytia hemisphaerica (Linnaeus, 1767)―hydro- (A) and gonotheca (B). C, D: Clytia nol...
FIGURE 8. A to D: Halopteris alternata (Nutting, 1900) — fragment of stem (A); male (B) and female (...
FIGURE 8. A to D: Halopteris alternata (Nutting, 1900)—fragment of stem (A); male (B) and female (C)...
FIGURE 7. A: Sertularia tumida Allman, 1877 — fragment of stem. B: Sertularia turbinata (Lamouroux, ...
FIGURE 3. A to D: Coryne sp. — Hydroid with propagulae budding off from tips of branch-like structur...
FIGURE 8. A–H: Halopteris tenella (Verrill, 1874)―stem internodes and cladia (A–C); hydrothecate int...
FIGURE 9. a, Sertularella unituba: part of hydrocaulus with two hydrothecae, ROMIZ B1099, scale equa...
FIGURE 4. A and B: Clytia linearis (Thornely, 1900) — fragment of colony (A); gonotheca (B). C: Clyt...
FIGURE 4. A and B: Clytia linearis (Thornely, 1900)—fragment of colony (A); gonotheca (B). C: Clytia...
FIGURE 2. A and B: Bougainvillia sp. — fragment of colony (A); nematocysts (B). C: Millardiana longi...
FIGURE 6. A to E: Sertularella peculiaris (Leloup, 1935) — two erect colonies (A); fragment of colon...
FIGURE 8. A–H: Halopteris tenella (Verrill, 1874)―stem internodes and cladia (A–C); hydrothecate int...
FIGURE 9. A–F, Nemertesia irregularis (Quelch, 1885) (stn GeoB 14871–2): A, hydrocladium and apophys...
FIGURE 9. Antennella secundaria (Gmelin, 1791): A, third stem internode with nematothecae; B, ahydro...
FIGURE 5. A to C: Plumularia setacea (Linnaeus, 1758) – stem internode and basal part of cladium (A)...
FIGURE 3. A, B: Clytia hemisphaerica (Linnaeus, 1767)―hydro- (A) and gonotheca (B). C, D: Clytia nol...