Kingdom Animalia Class Gastropoda Superfamily Trochoidea Rank Species | Phylum Mollusca Clade Vetigastropoda Family Trochidae | |
Ethalia omphalotropis is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Contents
Description
The small, semi-transparent shell has an ovate-discoidal shape. Its colour is white and entirely devoid of coloured markings. The 3½ convex whorls increase rapidly in size with deeply marked sutures. The body whorl has a spherical periphery. This species has a peculiar sharp keel surrounding the umbilicus. The aperture has an almost circular shape.
Distribution
This marine species occurs off Japan.
References
Ethalia omphalotropis Wikipedia(Text) CC BY-SA