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

20. Dorsum with 10-16 tan brown spots, arranged in two longitudinal lines. Papillae white with brown markings. Rhinophores cream-brown with 7-10 lamellae. - Ceratophyllidia sp.

- Dorsum without spots or other markings. Papillae pale grey with large apical circle of dark grey. Rhinophores white with 12-14 lamellae. - Ceratophyllidia sp.