Fig. 21. A–C in Northern Adriatic Bryozoa From The Vicinity Of Rovinj, Croatia

Fig. 21. A–C. Umbonula ovicellata (AMNH 937). A. General aspect (0.5 mm). B. Orifices of ontogenetically young autozooids with suboral avicularia (0.2 mm). C. Ontogenetically mature maternal zooids with ovicells (0.1 mm). D–G. Parasmittina rouvillei. D. General aspect (AMNH 938; 0.5 mm). E. Autozooids (upper right), maternal zooids with ovicells (lower left), and variable­sized vicarious avicularia (AMNH 938; 0.2 mm). F. Autozooidal orifice (AMNH 939; 0.05 mm). G. Orificial condyle (AMNH 939; 0.01 mm).