Figure 33 in Diversity and taxonomy of intertidal Bryozoa (Cheilostomata) at Akkeshi Bay, Hokkaido, Japan

Figure 33. Fenestrulina orientalis Liu, Liu, and Sun, 2003. (A–D, F) NHM 2006.2.27.12; (E) NHM 2006.2.27.11. (A) Colony margin with differentiating zooids; (B) immature zooids; (C) distal half of immature zooid, showing orifice with oral spines and ascopore; (D) mature zooids with completed hemispherical ovicells; (E) tatiform ancestrula and periancestrular zooids; (F) modified ancestrula with acquired frontal shield, surrounded by periancestrular zooids. Scale bars: 0.5 mm (A, B, D–F); 0.2 mm (C).