Limacina retroversa

Classification

Animalia [kingdom]
Mollusca [phylum]
Gastropoda [class]
Opistobranchia [subclass]
Thecosomata [order]
Euthecosomata [suborder]
Limacinacea [superfamily]
Limacinidae [family]
Limacina [genus]
Limacina retroversa [species]