Figure 2 in Suborders Acotylea and Cotylea (Polycladida): Study on morphological, ecological and reproductive features of some representative species from Tunisian coasts (Mediterranean)

Figure 2. Organs of attachment in Polyclads. A: ventral corrugated surface (cs) located between two genital pores of Echinoplana celerrima, scale bar: 0.2 mm. B: Genital pit (gp) in the acotylean Leptoplana mediterranea. This structure is located between the two genital pores. The two vasa deferentia (vd) unite in a common vas deferens (cvd) before entering the seminal vesicle (sv), scale bar: 0.2 mm. C. Ventral view of Prosthiostomum siphunculus showing a developed true sucker (ts) and a tubular pharynx (ph), scale bar: 1 mm.