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

45. Dorsum with 3 distinct, continuous, tubercular ridges and 4 black longitudinal lines running along each side of the ridges. Bulbous pharyngeus white, lacks any markings. - Phyllidia haegeli Fahrner & Beck, 2000

- Dorsum with 1 median tubercular ridge (often interrupted) and 2 black longitudinal lines (may also be broken). Bulbous pharyngeus cream coloured with a dark band anteriorly. Phyllidia marindica (Yonow & Hayward, 1991)