Pleurolidiidae

Pleurolidiidae is a family of nudibranchs, shell-less marine gastropod molluscs or sea slugs, within the superfamily Aeolidioidea.

Genera and species
Genera and species within the family Pleurolidiidae include:
 * Pleurolidia Burn, 1966
 * Pleurolidia juliae Burn, 1966
 * Protaeolidiella Baba, 1955
 * Protaeolidiella atra Baba, 1955

Pleurolidia juliae and Protaeolidiella atra are sister species according to DNA evidence and are poorly supported as members of the polyphyletic Facelinidae. As the family Facelinidae will be revised in the near future these species are currently placed in Pleurolidiidae.