Berthella

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Berthella is a genus of sea slugs, marine gastropod mollusks in the family Pleurobranchidae. There are about 25 Berthella species, including Berthella plumula and Berthella ornata. Taxonomy: Kingdom Animalia; Phylum Mollusca; Class Gastropoda; Order Pleurobranchida; Family Pleurobranchidae; Genus Berthella (Blainville, 1824).