Order: Thecosomata
Systematics :
| Kingdom | Animals (Animalia) | ||||||
| Phylum | Molluscs (Mollusca) | ||||||
| Klasse | Snails (Gastropoda) | ||||||
| Subclass | Bakgjellesnegler (Opisthobranchia) | ||||||
| Order | Thecosomata | ||||||
| Genus | Limacina | ||||||
| Species | Krutåte (Limacina retroversa) | ||||||
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Responsible editor: Doris Jorde