Leptothyra carinata Verco, 1907 Charisma carinata, common name the carinate charisma, is a species of extremely small sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.

The body whorl has seven carinations which become gradually lower towards the base, and closer.

The interspaces are concave, and provided with spiral lirae, varying from six to two, according to the width of the spaces.

The lowest carina forms a margin to the umbilicus which is wide and sculptured with about eight spiral lirae.

Colour, very light amber; some examples are white, others faintly tinged with pink.