Stomatia (Microtis) H. Adams & A. Adams, 1850 Microtis is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.

[1] The spiral shell is suborbicular and depressed.

The aperture is very large, and wider than long.

The columellar margin is spiral and visible as far as the apex of the spire.

[2] Species within the genus Microtis (gastropod) include:[1] The following species were brought into synonymy:[1] This marine genus occurs off Northern Australia and in the South Pacific Ocean