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

44. Median tubercles forming 1 or 3 distinct, large, blue, grey ridges, joined by longitudinal black lines. Numerous short, black rays extending to the mantle edge, causing striped pattern. - 45

- Tubercles always separate and isolated, never forming distinct, large ridges. Longitudinal black lines absent. Mantle margin with large semicircles or with numerous tiny tubercles, never striped. - 46