Sinum planulatum , the flattened ear snail, is a species of sea snail, a marine gastropod mollusk in the family Naticidae, also known as the moon snails.

[1] The size of the shell varies between 22 and 33 mm (0.87 and 1.30 in).

The marine species occurs off Tanzania and Mozambique.

This Naticidae-related article is a stub.

You can help Wikipedia by expanding it.