Cymatium (Lotoria) Emerson & Old, 1963 Lotoria is a genus of predatory sea snails, marine gastropod mollusks in the family Cymatiidae.

[2] The triangular whorls are coronated.

The aperture is longer than the spire.

The outer lip is dentated internally.

[3] This genus occurs in the Indo-West Pacific and off the Philippines, Papua New Guinea, the Marquesas Islands and Australia (Queensland) Species within the genus Lotoria include: