Anatoma regia is a species of minute sea snail, a marine gastropod mollusc in the family Scissurellidae.

Distribution

This species is endemic to the North and South Islands of New Zealand, including the Three Kings Islands.

Habitat

This scissurellid is found at depths of about 180 m.

Shell description

The shells are depressed-trochiform, with a much lower spire than Anatoma mantelli, much finer radial sculpture and a different inner lip, that is broad below but tapers away to thin towards the umbilicus.

The shell height is up to 2 mm, and width 2.5 mm.

References

• Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1