Examples of pygidium

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The examples are not quite typical either in the form of the female puparia or in the character of the fringe of the pygidium.
This feature has not previously been observed in any other koneprusiine and might ultimately justify the assignment of this pygidium to a new species.
Pygidium with posterior part incompletely preserved; subsemicircular, with slightly diverging convex lateral margins, curving gently into a most probably rounded posterior margin.
The damaged axis makes it difficult to determine if the pygidium bears one or two segments.
Prosopon of pygidium, including inner pleural area, provided with randomly dispersed tubercles of different sizes.
Pygidium convex, height 50 % (48-52) of maximum width, and subelliptical in outline, with length 57 % (56-60) of maximum width.
Pygidium with long axis occupying about 80 % of pygidial length and composed of four rings and terminal piece.
In lateral view, pygidium of moderate vaulting; axis high but composed of low axial rings except for first one that is higher.
Pygidium with low, tiny axis, inconspicuously subdivided by two ill-defined axial rings preceding bulged posterior part of semicircular posterior outline.
There is also a distinctive white stripe of pubescence down the dorsal midline of the pygidium.
All of them display a much larger and shorter pygidium with a narrower, ridge-like first axial ring.
Pygidium convex with high axis carrying 5+1 well-defined axial rings.
No transitory pygidium corresponding to meraspid degrees 0 and 1 can be identified in our sample.
The pleural regions of the pygidium are very narrow.
Pygidium of crescentic outline with elevated axis that is nearly as wide (tr.) as pleural field.
Pygidium with effaced axis narrowing behind; long median spine; narrow posterior margin; wide posterior pleural field.
Pygidium over three times wider than long, excluding spines; short, with elevated, triangular axis that is slightly narrower (tr.) than pleural field.
Both genera are similar in having a subtriangular pygidium with a long axis and border spines.

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