Modulus modulus

Modulus modulus
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Family:	Modulidae
Genus:	Modulus
Species:	M. modulus
Binomial name
	Modulus modulus; (Linnaeus, 1758)

Last updated August 18, 2025

Modulus modulus, commonly known as the buttonsnail, is a species of small sea snail, a marine gastropod mollusc in the family Modulidae.^[1]

Distribution

The distribution of this species includes both the east and west coast of Florida.^{[ citation needed ]}

Description

The maximum recorded shell length is 16.5 mm.^[2] The overall shape of the shell is button-like, with a gray or brown streaked, ridge-sculptured body whorl and a low spire.^{[ citation needed ]}

Habitat

The minimum recorded depth is 0 m.^[2] The maximum recorded depth is 105 m.^[2]

Found in shell grit and coral sand, among sea grass beds -at 2 to 3 feet depth.

References

↑ Modulus modulus (Linnaeus, 1758) . Retrieved through: World Register of Marine Species on 17 May 2010.
1 2 3 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 .

Florida's Living Beaches by Blair and Dawn Witherington, 2010, Pineapple Press, Inc.

External links

Media related to Modulus modulus at Wikimedia Commons

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[WoRMS-1] Modulus modulus (Linnaeus, 1758) . Retrieved through: World Register of Marine Species on 17 May 2010.

[Welch_2010-2] 1 2 3 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 .

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