stylet base conical
Macrostomum coomerensis Fig 4.jpg
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the distal two thirds of the stylet are spiralled. The distal tip (of the stylet) is broadend, the opening of which lies subterminally. p. 518
Bradynectes scilliensis Fig 3.jpg
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Macrostomum australiense Fig 8.jpg
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The stylet is a slightly curved funnel with a widened proximal base and a distal hook-like bend turned at an angle of about 90° from the main axis. p. 1001
Macrostomum virginianum Fig 2-4.jpg
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The stilette is curved and obliquely truncated on its convex side. This conical tube is bent at a right angle near its proximal end. p. 27
Macrostomum beaufortensis Fig 4.jpg
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The stilette is a greatly curved and highly sharpened funnel with a broad undulating basal rim. p. 234
Macrostomum beauchampi Fig 9.jpg
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Macrostomum boreale Fig 16-18.jpg
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Macrostomum beaufortensis Fig 10-15.jpg
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Macrostomum intermedium Fig 24-25.jpg
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Macrostomum glochistylum Fig 13-19.jpg
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The small reniform eyes are not embedded in the tissues of the ganglia. The penis-stilette is a long, curved funnel which extends from a widened proximal base to end in a slightly bent obliquely truncated terminus. The stilette termination is distinctly provided with a thin lip which projects slightly beyond the opening proper. p. 195 The sperm cell in this form is a spindler-shaped structure which is much shorter than usual for Macrostomum. Chromatin granules are present in the anterior region of the cell, while posteriorly directed setae are absent. p. 196