Opisthobranchia
Systematics :
Kingdom: Animals (Animalia)
Phylum: Molluscs (Mollusca)
Class: Snails (Gastropoda)
Subclass: Opisthobranchia
Norwegian name: Bakgjellesnegler
Systematics :
Kingdom: Animals (Animalia)
Phylum: Molluscs (Mollusca)
Class: Snails (Gastropoda)
Subclass: Opisthobranchia
Norwegian name: Bakgjellesnegler