Modulus modulus

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

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

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.