Article · Wikipedia archive · Last revised Jun 16, 2026

Cryptonatica affinis

Cryptonatica affinis, common name the Arctic moonsnail, is a species of predatory sea snail, a marine gastropod mollusc in the family Naticidae, the moon snails.

Last revised
Jun 16, 2026
Read time
≈ 1 min
Length
147 w
Citations
5
Source
Cryptonatica affinis
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Naticidae
Genus: Cryptonatica
Species:
C. affinis
Binomial name
Cryptonatica affinis
(Gmelin, 1791)
Synonyms1
  • Cryptonatica clausa
  • Cryptonatica septentrionalis
  • Natica clausa Broderip & G. B. Sowerby I, 1829
  • Natica russa Gould, 1859

Cryptonatica affinis, common name the Arctic moonsnail, is a species of predatory sea snail, a marine gastropod mollusc in the family Naticidae, the moon snails.1

Description

The maximum recorded shell length is 37 mm.2

Habitat

Minimum recorded depth is 0 m.2 Maximum recorded depth is 2811 m.2

References

References

  1. Cryptonatica affinis (Gmelin, 1791). Gofas, S. (2009). Cryptonatica affinis (Gmelin, 1791). In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=140525 on 17 June 2010 .
  2. Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.