A 2017 analysis of "Parapsicephalus" found little support for it being placed in the Dimorphodontia: its skull was comparatively longer; the snout is slightly upturned with outward-projecting teeth, as in rhamphorhynchids; the quadrate is not as vertical; the antorbital fenestra is offset below the nostril instead of being at the same level; and, although the top of the skull is convex in both, the condition in "Parapsicephalus" is not quite as extreme. Thus, affinities with the Rhamphorhynchidae were considered more probable. Within the Rhamphorhynchidae, unlike the scaphognathines, the antorbital fenestra is more than twice as long as it is tall, and has a concave back margin; the angle of the quadrate is also more than 120°. This implies that "Parapsicephalus" is a member of the Rhamphorhynchinae.