Figure 4. Faerlea tyleri. A in Phylogenetic assessment and systematic revision of the acoel family Isodiametridae

Figure 4. Faerlea tyleri. A, whole body drawing, sagittal view. B, whole body drawing, frontal view. C, micropictograph of whole body. D, sagittal section of posterior end stained with haematoxylin–eosin. eg, egg; f, frontal organ; I, intestine; m, mouth; mco, male copulatory organ; p, penis; st, statocyst; sv, seminal vesicle; t, testis; v, vacuole.