The specific name, wilsoni, is in honor of Arnold Talbot Wilson, who was a British military officer, diplomat, and amateur naturalist.

[3] P. wilsoni is found in southern Sudan.

[1][2] The preferred natural habitat of P. wilsoni is unknown.

[1] P. wilsoni has a maximum snout–vent length (SVL) of about 25 mm (0.98 in), making it one of the smallest skinks known.

[2] The mode of reproduction of P. wilsoni is unknown.