habitus total
Macrostomum reynoldsi Fig 17-20.jpg
Macrostomum reynoldsi Fig 17-20.jpg
penisstilette is slender funnel with crenated base and curved distal end, opening terminal. p. 284
Macrostomum ruebushi var shenandoahensis Fig 27-30.jpg
Macrostomum ruebushi var shenandoahensis Fig 27-30.jpg
Macrostomum ruebushi var finnlandensis Fig 12-13.jpg
Macrostomum ruebushi var finnlandensis Fig 12-13.jpg
The penis-stilette is a funnel with almost a straight main axis and a sharply pointed and bent termination. The terminal portion enclosing the external opening is bent at an angle of 115 degree. The basal proximal rim is unevenly crenated. The sperm cells have a feeler, body region and a thin filamentous tail. Setae are not present. There is a noticeable massing of chromatic granules in the body region of the cell. p. 31
Macrostomum ruebushi var truncatum Fig 31-34.jpg
Macrostomum ruebushi var truncatum Fig 31-34.jpg
The penis-stilette is a funnel with a crenate base which is slightly obliquely truncated. The curved and pointed termination has a small distal lip. The opening is terminal. p. 45
Macrostomum ruebushi var carolinensis Fig 9-10.jpg
Macrostomum ruebushi var carolinensis Fig 9-10.jpg
The penis-stilette is unique in that the proximal basal portion is not only dentated but is truncated at an oblique angle. This penis funnel is terminally curved and sharply pointed. The opening is terminal on this stilette. p. 27
Macrostomum ruebushi var granulophorum Fig 19-23.jpg
Macrostomum ruebushi var granulophorum Fig 19-23.jpg
This stilette is lined by bands of muscles which presumably aid in ejaculation. The stilette has a bend of almost a right angle at its sharpened termination and opening. p. 36
Macrostomum riedeli Fig 1-7.jpg
Macrostomum riedeli Fig 1-7.jpg
The penis -stilette is funnel- shaped with an obliquely truncated base. (Distal?) opening is oval in shape and terminally truncated. p. 291
Macrostomum ruebushi var recurvostylum Fig 24-26.jpg
Macrostomum ruebushi var recurvostylum Fig 24-26.jpg
The eyes are small, black, and are not embedded in the brain tissue. The penis-stilette is an irregularly reduced funnel with a pointed end hooked into a right hand bend. The opening is terminal and is toward the posterior. The base is wide and crenated. p. 39
Macrostomum ruebushi var crenatostylum Fig 11.jpg
Macrostomum ruebushi var crenatostylum Fig 11.jpg
The long oval opening occupies the entire end of the bent portion of the stilette. The base is crenated. The hooked end of the stilette points ventrally toward the male opening. p. 29
Macrostomum ruebushi var frigoriphilum Fig 14-18.jpg
Macrostomum ruebushi var frigoriphilum Fig 14-18.jpg
The fairly large reniform eyes are oriented in a latero-anterior fashion. The penis-stilette is a slightly curved funnel with a distally sharpened point. The opening is terminal. p. 33