Splendrillia runcinataSplendrillia runcinata is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.DescriptionThe length of the shell attains 9 mm, its diameter 3.2 mm. It is a non-broadcast spawner without a trocophore stage.DistributionThis marine species is endemic to New Zealand and occurs off the Chatham Islands at 196-340 m.