P. deminutus joins, P. gracilis, and P. uvularaptor as the smallest Toxodentid thus far identified. It is differentiated from its close relatives by having that largest oral groove of the three species. A total of four specimens have been observed in four different color morphs, pale blue, yellow, green, and red. P. deminutus has been observed on bags of Rainbow brand buns. Discovered and described by occlupanologist C. Huning of DWORC.