Aplysina

Aplysina
Scientific classification
Kingdom:	Animalia
Phylum:	Porifera
Class:	Demospongiae
Subclass:	Verongimorpha
Order:	Verongida
Family:	Aplysinidae
Genus:	Aplysina

Aplysina (also known as Aplysia (which may also refer to a genus of sea hares), Luffaria, and Verongia) is the name of a genus of demosponges within the phylum Porifera. It was first authenticated and described by Nardo in 1834.

Aplysia is a genus of medium-sized to extremely large sea slugs, specifically sea hares, which are one clade of large sea slugs, marine gastropod mollusks.

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