FIGURE 13. A–D in Taxonomy and diversity of coelobite bryozoans from drift coral cobbles on Co To Island, northern Vietnam

FIGURE 13. A–D. Torquatella imperforata Yang, Seo & Gordon, 2018. A. Colony, VNMN-0251. B. Orifice, VNMN-0251. C. Young autozooids with and without ooecia; arrowhead, suboral avicularium, VNMN-0252. D. Older autozooids with semiimmersed ooecia, VNMN-0252. E, F. Scorpiodinipora costulata (Canu & Bassler, 1929). E. Autozooids, VNMN-0254. F. Presumed ancestrula (arrowhead) and periancestrular zooids, VNMN-0255. Scale bars: A, 1 mm; B, C, 50 µm; D–F, 250 µm.