Crown without bony ridges; snout short, truncated; interorbital space flat, as broad as the upper eyelid; tympanum very distinct, vertically oval, quite as large as the eye and close to it.
The crown lacks bony ridges; the snout is short and ends abruptly; the space between the orbits is flat, just as broad as the upper eyelid; the tympanic membrane is clearly visible, vertically oval-shaped, nearly as big as the eye and close to it.