Classification
Animalia [kingdom]Mollusca [phylum]
Gastropoda [class]
Opistobranchia [subclass]
Thecosomata [order]
Euthecosomata [suborder]
Limacinacea [superfamily]
Cavoliniidae [family]
Cavoliniinae [subfamily]
Diacria [genus]
Diacria trispinosa [species]