Pranamya Menaria (India; born August 10, 2005) has 25 in total (12 fingers and 13 toes). This is as a result of the condition Polydactyly and Syndactyly.
I had no idea that anything in the shape of a horse could be so limp as that, either living or dead. His wild mane hung down lumpily, a mere mass of inanimate horsehair; his aggressive ears had collapsed, but as he went swaying slowly across the front of the bridge I noticed an astute gleam in his dreamy, half-closed eye.
The use of these projections […] is to apply upon the foetal scalp a pressure, counter to that made on the skull by the teeth of the crotchet, in order to ensure the penetration of the latter without the possibility of their slipping purchaseless along the smooth cranial bones, or of failure from any other cause whatsoever.
But something was shaping up—something incomprehensible and vast, concerning the Hub Worlds, something that was apparently tangled in and directly related to tens of thousands of years of interacting histories.