Fig. 5 in Erect bifoliate species of Microporella (Bryozoa, Cheilostomata), fossil and modern

Fig. 5. Microporella hastigera (Busk, 1884), paralectotype, NHMUK 1887.12.9.549a (bleached), Recent, Challenger Expedition, St. 75. A. Group of zooids at branch bifurcation. B. Close-up of two ovicellate zooids with coalescent ovicells. C. Close-up of an orifice with four oral spine bases distally, ascopore and avicularium. D. Close-up of the ascopore. E. OVicellate zooid with sealed orifice. F. Closeup of an orifice with three oral spine bases distally. Scale bars: A–B = 400 µm; C = 100 µm; D = 40 µm; E = 200 µm; F = 50 µm.