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

12. Dorsum with cream, pink or greyish background and 2 or 4  distinct, longitudinal black lines which can be joined by irregular shorter lines or rays extending to the mantle edge - 13

- Dorsum with black background, no distinct longitudinal lines present - 15