Key Identification Features
- This characteristic Y-shaped end to the median black line is a distinctive feature used to identify this species.
- Other key identifying features include a pale pink mantle edge, broad triangular oral tentacles with black tips, and a rhinophoral clavus that has 22 to 26 lamellae in specimens larger than 35 mm.
- It can be identified by its 3 to 6 numerous longitudinal, tuberculate notal ridges.
- It is distinct from Phyllidiella pustulosa, which does not have these ridges at all.
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