"This is one of several very similar, small European species of Aeolidiella. Following the opinion and words of Bernard Picton I would identify it as Aeolidiella alderi because of the conspicuous ruff of white either side of the rhinophores caused by the elongate cnidosacs in the first group of cerata.
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Comment from Richard Willan
This is one of several very similar, small European species of Aeolidiella. Following the opinion and words of Bernard Picton I would identify it as Aeolidiella alderi because of the conspicuous ruff of white either side of the rhinophores caused by the elongate cnidosacs in the first group of cerata.