stylet base conical
Macrostomum timavi Pla 2 Fig 3-4.jpg
Macrostomum obtusa Fig 18-26.jpg
Macrostomum sinensis Fig 1-8.jpg
The penis st ylet gonopore opens on the side of the penis end, which is ball-like. p. 720
Macrostomum xiamensis Fig 4-13.jpg
Acerose smooth penis stylet, no chitin valve in the surface. Its far-forth end show helical curly form. The penis stylet is like end of injector, opening at outboard part of helical bend. p. 703
Macrostomum xiamensis Fig 1-3.jpg
With bean-, cycle-, kidney- or long kidney-like eyes. The end of penis is spinous, twisting vertically from penis plane. p. 720
Macrostomum johni Fig 1.jpg
Macrostomum johni Pla 1.jpg
Penis stylet curved in two planes and 80-90 micrometer in length; distal end blunt and cowl (hood) shaped; distal opening subterminal. p. 357
Macrostomum johni Fig 1b.jpg
Macrostomum orthostylum Fig 10a.jpg
Eyes 8 x 9 micrometer. The distal end of the penis stylet is bent so that the angle between this and the main axis is slightly less than a right-angle. The distal opening is oblique. The walls of the tube are of even thickness. A distinctive notch is present in one of the walls near the proximal opening (D). p. 54