Kingdom Animalia Class Gastropoda Family Tritoniidae | Phylum Mollusca Superfamily Tritonioidea Genus Marionia | |
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Marionia blainvillea is a species of sea slug, a dendronotid nudibranch, a marine gastropod mollusc in the family Tritoniidae.
Juveniles of the species are white, as shown below.
References
Marionia blainvillea Wikipedia(Text) CC BY-SA