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

2. Dorsum with tubercles. Oral tentacles completely fused. Oesophageal retractor muscle present. Phyllidiopsis Bergh, 1875 - 6

- Dorsum with stalked, 'mushroom-like' papillae. Oral tentacles only partially fused. Oesophageal retractor muscle present - Ceratophyllidia Eliot, 1903 - 19