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

18. Dorsum white with 10-12 large, round, black spots. Rhinophores with 16-19 lamellae. Nidamental gland mass brown-orange.
Phyllidiopsis loricata (Bergh, 1873)

- Dorsum with 2 median, longitudinal, black lines from which broad black rays extend to the mantle edge. Numerous white semicircles, divided by black rays occur around the mantle margin. Rhinophores with 8-20 lamellae. Nidamental gland mass white. - Phyllidiopsis dautzenbergi (Vayssiere, 1911)