FIGURE 5 in Macrostomum shenda and M. spiriger, two new brackish-water species of Macrostomum (Platyhelminthes: Macrostomorpha) from China

FIGURE 5. Macrostomum spiriger Wang & Xin, n. sp.: (A) mature living animal, dorsal view; (B) mature living animal (slightly squeezed), ventral view; (C) the tail of the body; (D) seminal bursa and male copulatory apparatus; (E) a part of the female copulatory apparatus; (F–G) different views of the stylet; (H) the distal end of stylet; (I) immature sperm; (J) mature sperm.