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

26. Rhinophores black apically, pink centrally and white basally, with 23-28 lamellae. Tubercles single and isolated, rarely coalesced. Pattern without distinct longitudinal lines, usually short lines are crossing over each other, forming an 'X' medially. Narrow, pale pink to white edge to the mantle. Visceral envelope dark grey. - Phyllidiella lizae Brunckhorst, 1993

- Rhinophores black apically and pink basally, no white present, with 19 lamellae. Tubercles coalesced, never isolated. Pattern with 2 distinct longitudinal lines and short lines between them forming incomplete hexagons. Narrow mantle edge black. Visceral envelope white. - Phyllidiella hageni Fahrner & Beck, 2000