Stephopoma roseum is a species of sea snail, a marine gastropod mollusc in the family Siliquariidae, the slit worm snails. References Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 External links Spencer H.G., Willan R.C., Marshall B.A. & Murray T.J. (2011) Checklist of the Recent Mollusca Recorded from the New Zealand Exclusive Economic Zone Siliquariidae Gastropods of New Zealand Gastropods described in 1834