clade Euthyneura clade Nudipleura clade Nudibranchia clade Dexiarchia clade Cladobranchia Facelina stearnsi Cockerell, 1901 Austraeolis stearnsi is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Facelinidae.

[3] The length of the body attains 25 mm.

The brilliant orange or yellowish colors are quite distinctive.

It has long foot corners and oral tentacles.

[4] The radular teeth formula is 21-26 x 0.1.0, and the teeth are typically aeolid hydroid-eating shaped.