Ancula evelinae is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.
Distribution This species was first described from Beaufort, North Carolina.
Description This goniodorid nudibranch is translucent white with black patches. It has only two, curved, extra-branchial processes.
Ecology Ancula evelinae probably feeds on Entoprocta which often grows on hydroids, bryozoa and other living substrata.
References