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

9. Dorsum entirely bright blue despite the black stripes, no white colouration present; a few tiny black spots occur around the mantle margin. Rhinophores black with 7-10 lamellae. - Phyllidiopsis annae Brunckhorst, 1993

- Dorsum with white mantle margin, only median region of dorsum pale blue (some specimens are entirely white). Usually without black spots around the mantle margin. Rhinophores lemon-yellow with 11-13 lamellae. - Phyllidiopsis strigata Bergh, 1888