Paraganitus ellynnae is a species of sea slug, an acochlidian, a shell-less marine gastropod mollusc in the family Parhedylidae.
[1] Paraganitus ellynnae is smaller than 5 mm and is externally symmetric.
[1] It is able to partially retract parts of its anterior body into a temporal visceral cavity.
[1] The visceral sac is largely separated from the rest of the body.
[1] Paraganitus ellynnae has long and slightly recurved oral tentacles.