Trapania safracornia is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.

It has been found at a number of sites in Western Australia.

[3] The body of this goniodorid nudibranch is black or dark brown with white markings.

The gills, oral tentacles and tail are tipped with white pigment.

[3] Trapania safracornia feeds on Entoprocta which often grow on sponges and other living substrata.