Figure 17 in Diversity and taxonomy of intertidal Bryozoa (Cheilostomata) at Akkeshi Bay, Hokkaido, Japan

Figure 17. Cribrilina annulata (Fabricius, 1780). (A) NHM 2006.2.27.50; (B, C) NHM 2006.2.27.51; (D) NHM 2006.2.27.52. (A) Zooids with developing secondary layer of dwarf zooids, from region nearly colony margin; (B) immature zooids; (C) autozooids densely covered with numerous ovicellate dwarf zooids; (D) ancestrula with periancestrular zooids. Scale bars: 0.5 mm.