FIGURES 177–183 in Early Pleistocene and Holocene bryozoans from Indonesia

FIGURES 177–183. Triphyllozoon hirsutum (Busk, 1884), Holocene, UPGG041, off South Sulawesi. 177–180. RGM.1350596. 177. General view of a colony fragment. 178. Group of zooids some of which are ovicellate. 179. Abfrontal surface with elliptical and spatulate avicularia. 180. Close-up of a lanceolate avicularium on the abfrontal surface. 181–183. RGM.1350597. 181. Close-up of autozooids showing the primary orifice and the robust, coalescent oral spine bases. 182. Close-up of a large, lanceolate avicularium placed within the fenestrula. 183. View of the abfrontal surface with spatulate and lanceolate avicularia. Scale bars: Fig. 177 = 300 µm; Figs 178, 180 = 100 µm; Figs 179, 183 = 200 µm; Figs 181, 182 = 50 µm.