Ophiomusium sanctum Koehler, 1904 .

Figures 31 a, b

Syntype RMNH V. Ech. O. 2051 Siboga station 302, Savu Sea, southwest Timor, 212m.

Main Features: Disc with large pear-shaped radial shields, completely separated by two large and one small plate. The interradial plates are moderate large, with two protruding plates either side ventrally. Large dorsal arm plates throughout arm. Herring bone-like arrangement of lateral arm plates. Oral shields pear-shaped, with two plates distally between the shield and interradial plate. Genital slits half the length of the first lateral arm plate. Two pairs of exposed tentacle pores.

This species is much like O. simplex and O. australe .