Figure 20. Microporella ketchikanensis n in Intertidal Bryozoa (Cheilostomata) of Ketchikan, Alaska

Figure 20. Microporella ketchikanensis n. sp.: (A) group of marginal zooids with four to five distal spines per zooid; (B) group of marginal zooids with three distal spines per zooid; (C) enlargement of orifice, ascopore, and marginal avicularium; (D) enlargement of proximal orificial margin and ascopore; (E) enlargement of ascopore; (F) group of zooids, two forming ovicells and two with complete, unribbed, umbonate ovicells; note zooid with rare complement of two marginal avicularia. All specimens bleached. Scale bars: 500 Mm (A, B, F); 100 Mm (C); 50 Mm (D); 20 Mm (E).