The abdomen of Protura undergoes anamorphosis : in the first and second instars it has 9 segments, the third 10, and the rest 12.
It may indeed be a matter of very grave consideration whether true anamorphosis ever occurs in the whole animal kingdom.
Indeed, a Double Head of a Fool from a century later by Jacob van der Heyden shows that fools, too, could be subjects of anamorphosis .
Although, the famous anamorphosis of the skull in the foreground of the London painting is a surpassing paradox, it carries essentially the same message of a world turned upside down as Henry Patensen's unsettling gaze.
Recognising the fluidity and occasional capriciousness of perception, Leonardo delighted in it, contriving not only rebuses or visual puns, but also optical illusions and even demonstrations of anamorphosis .
But the essential nature of evolutionary anamorphosis remains enigmatic.
The slender figures, warped by an obscure anamorphosis , have been salvaged from the darkness, retrieved and figured.
It is therefore difficult to justify anamorphosis purely on the basis of its contribution to fitness.
It is easy to read the death's head in The Ambassadors purely as an exercise in negation, particularly since the anamorphosis so unsettles one's sense of reality.
A torsion typical of anamorphosis twists the image, crumples it and alters it, attempting to introduce the eccentrical into the field of view.