Figure 11. A-C in Brood chambers constructed from spines in fossil and Recent cheilostome bryozoans

Figure 11. A-C, Monoporella sp. 1, Recent, Japan, Pacific Ocean, GSUH. A, oblique lateral view of bleached colony fragment with an ovicell; note distal fissures and large foramina. B, internal ooecial wall, showing fused costae and slits between their bases covered with cryptocyst. C, broken costal bases embedded in cryptocyst. D-F, Monoporella nodulifera (Hincks), Recent, Australia; unbleached broken ovicell roof upside down; membranous walls are seen on both sides, as well as three flattened costae covered by cryptocyst which is pierced by canals; cryptocystal insertions with pores are seen between the costae. Scale bars: A = 200 Mm; B, D, E, F = 50 Mm; C = 10 Mm.