Figure 23 in Diversity and taxonomy of intertidal Bryozoa (Cheilostomata) at Akkeshi Bay, Hokkaido, Japan

Figure 23. Parasmittina avicularissima (Gontar, 1982). (A, H) NHM 2006.2.27.72; (B, C, F, G) NHM 2006.2.27.73; (D, E) NHM 2006.2.27.74. (A) Zooids differentiating at colony margin; (B) immature zooids, showing oral spinescars, lyrula, and condyles; (C) immature zooids with lateral triangular avicularia; (D) autozooids with oval proximo-lateral avicularia and large frontal avicularium directed proximally; (E) autozooids with frontal avicularia directed distally; (F) zooids with developing and completed ovicells; (G) mature zooids with ovicells possessing single pore; (H) ancestrular region. Scale bars: 0.5 mm (A, C–H); 0.4 mm (B).