Izikoziphius is different from the other genus in the subfamilyZiphiinae in that it has a longerrostrum, and lacks a prenarial basin. Izikoziphius rossi has a rostrumlength of 490-530 millimeters, and a width and height of 94-155 and 84-100 millimeters, respectively. It differs from I. angustus in having a rostrum with a mid-length width more than that of its mid-length height. The base of its rostrum is also wider.