Identification Key to the Phyllidiids of the Indo-Pacific Ocean
cording to morphological and anatomical features
Thanks to Alexander Fahrner and Lothar A. Beck

28. Tubercles grouped in clusters or rings, sometimes compound, pink in colour. Sides of the foot uniformly grey without pattern. Bulbous pharyngeus cream coloured to white - 29

- Tubercles always separate and round, very high, red in colour. Sides of foot grey with a dark longitudinal band. Bulbous pharyngeus black. Phyllidiella nigra (Hasselt, 1824)