Fig. 10From: Development of a lecithotrophic pilidium larva illustrates convergent evolution of trochophore-like morphologyComplete juvenile within pilidium nielseni of Micrura sp. “dark.” Confocal z-projections of larvae stained with phalloidin, apical organ (ap) up. Larval ciliary bands, with associated circular muscle bands are denoted by arrowheads. a. Lateral view, with juvenile anterior to the left. b. Frontal (anterior) view showing juvenile anterior with juvenile longitudinal body wall muscles parted around opening of the larval/juvenile mouth (m). c. Frontal (posterior) view showing juvenile posterior end folded over, with the juvenile cirrus (jc). Scale bars 50 μmBack to article page