The warty pleurobranch, scientific name Pleurobranchaea bubala, is a species of sea slug, specifically a sidegill slug or notaspidean. It is a marine gastropod mollusc in the family Pleurobranchaeidae.

What do you mean by Pleurobranch?

: a gill of a crustacean arising from the side of the thorax — compare podobranch.

What is the meaning of paperwhites?

: a polyanthus narcissus bearing clusters of small very fragrant pure white flowers.