Comitas rex is a species of sea snail, a marine gastropod mollusc in the family Pseudomelatomidae, the turrids and allies[1]
A solid, fusiform elongated shell, with a thin light brown periostracum. It has a high, turreted spire, with 13.5 whorls. Opposite to the whorl periphery is a reddish-brown band, forming dark rectangular blotches on axial ribs. The length of the shell attains 87 mm, its diameter 27.5 mm.
This marine species occurs in the Tanimbar Islands, Indonesia.