Description A. Caudal end with paired testes, vitellaria and germaria. With unpaired seminal vesicle, tubiform copulatory organ and terminal gonopore. B. Seminal vesicle and copulatory organ. C. Two-split end of the copulatory organ with secretion. Sylt, surf zone of a sandy beach.Author Ax, 2008PNG file - 73.81 kB - 800 x 808 pixelsadded on 2017-04-071 057 viewsWoRMS taxaScan of photoCystiplana paradoxa Karling, 1964checked Tyler, Seth 2017-04-07