FIGURE 5. A–C in Taxonomy and diversity of coelobite bryozoans from drift coral cobbles on Co To Island, northern Vietnam

FIGURE 5. A–C. Smittipora harmeriana (Canu & Bassler, 1929). A. Colony, VNMN-0223. B. Autozooids and interzooidal avicularia, with arrowhead indicating vestigial ooecium; VNMN-0223. C. Ancestrula (asterisk) and periancestrular zooids, along with Plesiocleidochasma porcellaniforme, VNMN-0256. D–F. Hippothoa sp. D. Parts of uniserial colony on bivalve shell, VNMN-0219. E. Autozooidal dilatation, showing cruciform branching and one proximolateral zooeciule, VNMN-0219. F. Autozooidal dilatation, showing orifice shape and slight frontal keel, VNMN-0217. Scale bars: A, 1 mm; B–D, 500 µm; E, F, 100 µm.