The skull is elongated with in the holotype a preserved length of and an estimated total length of about . The nasoantorbital fenestra, the large skull opening, is relatively long at 58% of the skull length. The lower jaws have a length of . The skull is similar to that of "Istiodactylus", which lived at about the same time in what is now England, especially in the teeth that are compressed side to side and the long fenestra. However, it differs from "Istiodactylus" in several details, including a significantly lower skull, different jugal and a slight curve to the upper margin of the lower jaw. The teeth are curved to the back, have three roots and are robust. They are limited to the anterior ends of the jaws; there are 28 teeth in the upper jaws and 26 in the lower jaws for a total of 54. Most elements of the postcranial skeleton are known, with the exception of some cervical vertebrae, the ribs, the tail and the two most extreme phalanges of the wing finger.