
Eubranchidae is a taxonomic family of sea slugs, marine gastropod molluscs in the superfamily Aeolidioidea, the aeolid nudibranchs.

Amphorina is a genus of aeolid nudibranch in the family Eubranchidae.

Amphorina farrani is a species of sea slug or nudibranch, a marine gastropod mollusc in the family Eubranchidae. Several species of Eubranchus were transferred to Amphorina in 2020.

Amphorina pallida is a species of sea slug or nudibranch, a marine gastropod mollusc in the family Eubranchidae. Several species of Eubranchus were transferred to Amphorina in 2020.

The candelabra nudibranch, is a species of sea slug or nudibranch, a marine gastropod mollusc in the family Eubranchidae. It is an aeolid nudibranch, which is known to occur off the South African coast. As of August 2015, it remained undescribed by science.

Eubranchus is a genus of aeolid nudibranch in the family Eubranchidae.

Eubranchus arci is a species of sea slug or nudibranch, a marine gastropod mollusc in the family Eubranchidae.

Eubranchus cingulatus is a species of sea slug or nudibranch, a marine gastropod mollusc in the family Eubranchidae. It is considered by some authors to be synonymous with Eubranchus vittatus.

Eubranchus conicla is a species of sea slug or nudibranch, a marine gastropod mollusc in the family Eubranchidae.

Eubranchus echizenicus is a species of sea slug or nudibranch, a marine gastropod mollusc in the family Eubranchidae.

Eubranchus exiguus is a species of small sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Eubranchidae.

Eubranchus inabai is a species of sea slug or nudibranch, a marine gastropod mollusc in the family Eubranchidae.

Eubranchus mandapamensis is a species of sea slug or nudibranch, a marine gastropod mollusc in the family Eubranchidae.

Eubranchus rupium, the green balloon aeolid, is a species of sea slug or nudibranch, a marine gastropod mollusc in the family Eubranchidae.

Eubranchus rustyus, the homely aeolid, is a species of sea slug or nudibranch, a marine gastropod mollusc in the family Eubranchidae.

Eubranchus tricolor, common name the painted balloon aeolis, is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Eubranchidae. It is the type species of the genus Eubranchus.

Eubranchus vittatus is a species of sea slug or nudibranch, a marine gastropod mollusc in the family Eubranchidae.

Leostyletus misakiensis, common name Misaki aeolid, is a species of sea slug or nudibranch, a marine gastropod mollusc in the family Eubranchidae.