FIGURE 1 in Taxonomy, ecology and zoogeography of the Recent species of Rhamphostomella Lorenz, 1886 and Mixtoscutella n. gen. (Bryozoa, Cheilostomata)

FIGURE 1. Rhamphostomella scabra (Fabricius, 1824). A. ZIRAS 94/50107 (Lesser Kuril Ridge, Pacific Ocean). B, E–G, I, K, M. ZIRAS 93/50106 (Bering Island, Commander Islands, Pacific Ocean). C. ZIRAS 95/50108 (western Kamchatka, Sea of Okhotsk). D. MIMB 2/50395 (Moneron Island, Sea of Japan). H, J, L. USNM 208837 (Beaufort Sea). A. Colony margin with developing zooids. B. Distolateral view of marginal zooids, showing form of orifice and suboral avicularia. C. Nonovicellate zooids in young part of colony (arrows, early stages of ooecial development). D. Group of non-ovicellate zooids from older part of colony with suboral and adventitious avicularia. E. Old autozooids with ovicells and avicularia. F. Close-up of ooecium overgrown by secondary calcification. G. Group of ovicellate zooids in older part of colony. H. Proximolateral view of ovicellate zooid, showing position of suboral and adventitious avicularium. I. Interior of the frontal shield with ring scar, areolae, communication pore of adventitious avicularium and ooecial communication pore (arrow). J. Internal view of primary orifice. K. Basal surface of colony. L. Interior of frontal shield, showing ring scar and umbonuloid exterior wall microstructure. M. Lateral view of autozooid, showing suboral avicularium with communication pores and lateral wall with mural pore chambers. Scale bars: A, D, G, K, 500 μm; B, E, H, M, 200 μm; C, 250 μm; F, I, J, 100 μm; L, 50 μm.