"Yes, possibly, although quite plump! Phyllidiella lizae is also a possibility, although the original description does not mention the black submarginal band (some photos show it). Diagnostic is the black rhinophores for Phyllidiella pustulosa (and for Phyllidiella granulata) and the pink and black ones of Phyllidiella lizae… These look quite black – in Brunckhorst photo of Phyllidiella lizae they are very much like in Phyllidiopsis, pink and black. "