Fig. 7.4.3A-F. Sagitta tasmanica. A Head dor sa! view with heavily damaged corona ciliata or ciliary loop (arrowed); B ventral view ofhead retracted within hood (h) or praeputium; C head retracted on hood, hooks (h) and vestibular organ (vo);
D head dorsal view; eyes and extended hooks are visible; E ventral si de, anterior and posterior teeth; F base of teeth. Bars
A,B,E 100 J..lm; C 50 J..lm; D,F 500 J..Lm