stylet shaft decoration absent

Macrostomum christinae Fig 5.jpg

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Imaging technique:

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Keywords:

habitus total (Image keywords), stylet shaft decoration absent (Image keywords), stylet tip opening terminal (Image keywords), stylet tip thickening symmetrical (Image keywords), stylet shaft straight (Image keywords), eyes normal (Image keywords), stylet base tubular (Image keywords), stylet shaft wavy (Image keywords)

Description:

The eyes are small with an irregular shape with dimensions of 8 to 12 micrometer. The penis stylet has its distal end bent at more-or-Iess a right angle to the main tube. This tip constitutes the thickened wall of the tube. The distal opening is situated at the heel of the stylet. p. 51

Taxonomic name:

Macrostomum christinae (Macrostomorpha)

Macrostomum tuba Fig 10c-d.jpg

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Keywords:

habitus total (Image keywords), stylet shaft with one turn (Image keywords), stylet shaft decoration absent (Image keywords), stylet tip opening terminal (Image keywords), stylet tip thickening symmetrical (Image keywords), eyes normal (Image keywords), stylet base tubular (Image keywords)

Taxonomic name:

Macrostomum tuba (Macrostomorpha)

Macrostomum reynoldsoni Fig 3.jpg

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Keywords:

habitus total (Image keywords), stylet shaft with one turn (Image keywords), stylet shaft decoration absent (Image keywords), stylet tip opening terminal (Image keywords), stylet tip thickening symmetrical (Image keywords), stylet tip thickening absent (Image keywords), eyes normal (Image keywords), stylet base tubular (Image keywords)

Description:

The penis stylet is hook-shaped; it is slightly bent in another plane at a point indicated by the arrow. Its walls are not thickened at any particular point. Its distal opening is terminal. p. 53

Taxonomic name:

Macrostomum reynoldsoni (Macrostomorpha)

Macrostomum rostratum Fig 10b.jpg

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Keywords:

stylet base conical (Image keywords), stylet tip thickening unclear (Image keywords), stylet shaft with one turn (Image keywords), stylet shaft decoration absent (Image keywords), stylet tip opening unclear (Image keywords)

Taxonomic name:

Macrostomum rostratum (Macrostomorpha)

Macrostomum nairobiense Fig 4.jpg

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Imaging technique:

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Keywords:

habitus total (Image keywords), stylet shaft with one turn (Image keywords), stylet shaft decoration absent (Image keywords), stylet tip opening terminal (Image keywords), stylet tip thickening absent (Image keywords), eyes normal (Image keywords), stylet base tubular (Image keywords)

Description:

The penial tube has a slight bend at its proximal end, and a distinct and sharp bend at its distal end. The distal tip of the stylet is blunt with a terminal opening. The walls appeared of uniform thickness along the length of the tube. p. 56

Taxonomic name:

Macrostomum nairobiense (Macrostomorpha)

Macrostomum coxi Fig 1.jpg

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Imaging technique:

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Keywords:

habitus total (Image keywords), eyes small (Image keywords), stylet shaft decoration absent (Image keywords), stylet tip opening oblique (Image keywords), stylet tip thickening symmetrical (Image keywords), stylet tip thickening absent (Image keywords), stylet base tubular (Image keywords), stylet shaft sickle-shaped (Image keywords)

Description:

Eyes 13 x 25 micrometer. The penis stylet is bow-shaped, gradually tapering in diameter towards the swollen distal end. The walls of the distal end are slightly thickened; the distal opening is displaced slightly to one side of the swollen end and is not exactly terminal. p. 55

Taxonomic name:

Macrostomum coxi (Macrostomorpha)

Macrostomum sinyaense Fig 9.jpg

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Imaging technique:

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Keywords:

habitus total (Image keywords), stylet shaft decoration absent (Image keywords), section (Image keywords), stylet tip opening oblique (Image keywords), stylet shaft straight (Image keywords), stylet tip thickening absent (Image keywords), stylet shaft curved (Image keywords), eyes normal (Image keywords), stylet base tubular (Image keywords)

Description:

The distal opening is terminal and oblique, facing the concave side of the bow. The walls surrounding the distal opening appear to be very slightly thickened. p. 50

Taxonomic name:

Macrostomum sinyaense (Macrostomorpha)

Macrostomum georgeense Fig 8.jpg

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Keywords:

habitus total (Image keywords), stylet shaft decoration absent (Image keywords), stylet tip opening terminal (Image keywords), stylet tip thickening absent (Image keywords), stylet shaft with more than one turn (Image keywords), eyes normal (Image keywords), stylet base tubular (Image keywords)

Description:

The penis stylet is a more-or-less straight tube which diminishes in diameter towards its distal tip; in fact the latter is slightly bent as shown in Figs. 5Band C. The walls of the tube around the distal terminal opening are slightly thickened. p. 54

Taxonomic name:

Macrostomum georgeense (Macrostomorpha)

Macrostomum amaniense Fig 7.jpg

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Keywords:

habitus total (Image keywords), stylet tip opening subterminal (Image keywords), stylet shaft decoration absent (Image keywords), stylet tip opening oblique (Image keywords), stylet tip thickening asymmetrical blunt (Image keywords), stylet shaft curved (Image keywords), eyes normal (Image keywords), stylet base tubular (Image keywords)

Description:

Penis stylet consists of a funnel about 80-98 micrometer in length in slightly squashed specimens, curved in two planes and with a sub-terminal distal opening, the distal end is blunt and cowl (hood) shaped. p. 253

Taxonomic name:

Macrostomum amaniense (Macrostomorpha)

Macrostomum baringoense Fig 2.jpg

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Keywords:

habitus total (Image keywords), eyes small (Image keywords), stylet base conical (Image keywords), stylet shaft decoration absent (Image keywords), section (Image keywords), stylet tip opening oblique (Image keywords), stylet shaft with more than one turn (Image keywords), stylet base tubular (Image keywords), stylet tip thickening unilateral pointed (Image keywords)

Taxonomic name:

Macrostomum baringoense (Macrostomorpha)

Macrostomorpha

taxonomy and phylogeny

stylet shaft decoration absent