Phidiana lascrucensis is a species of sea slug, a nudibranch, a marine, gastropod mollusc in the family Facelinidae.

[2] This species was described from Bahia Las Cruces, Baja California del Sur, Mexico, 24°13′N 110°05′W / 24.217°N 110.083°W / 24.217; -110.083.

[1] It has been reported from the central Gulf of California (Bahia Bacochibampo, Sonora, Mexico) south to the Golfo de Nicoya, Costa Rica.

[3][4]