Pleurobranchus granulatus Krauss, 1848 Berthella granulata (Krauss, 1848) Oscaniella granulata (Krauss, 1848) The lemon pleurobranch (Berthellina granulata) is a species of sea slug, a marine gastropod mollusc in the family Pleurobranchidae.

There are two rolled rhinophores joined at their bases on the head.

Like all other sidegill slugs, there is a single gill on the right hand side of the body.

[2] This animal has been found off the whole southern African coast and is known throughout the Indo-Pacific to Hawaii.

Its egg mass is an upright orange collar of one whorl.