Proctonotus
Proctonotus is a genus of sea slugs, or more accurately nudibranchs, marine gastropod molluscs in the family Proctonotidae.
Species
Species in the genus Proctonotus include:Proctonotus mucroniferus;Species brought into synonymy : Proctonotus affinis Burn, 1958: synonym of Caldukia affinis Proctonotus orientalis Kelaart, 1858 : synonym of ''Polybranchia orientalis''