Amblychilepas crucis, commonly known as the crossed keyhole limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.

(Original description) The shell is oval and slightly elevated, with a cancellated surface texture.

Its color ranges from white to yellowish, featuring two red lines on the back that intersect to form a cross.

The aperture is oval in shape.

[2] This species is endemic to Australia and occurs off New South Wales, Tasmania and Victoria.