Modulus cerodes

Modulus cerodes
Shell of Modulus cerodes (specimen at the Natural History Museum, Rotterdam)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Superfamily:	Cerithioidea
Family:	Modulidae
Genus:	Modulus
Species:	M. cerodes
Binomial name
Modulus cerodes A. Adams, 1851

Modulus cerodes is a species of sea snail, a marine gastropod mollusc in the family Modulidae. ^[1]

Description

The length of the shell attains 14 mm.

(Original description in Latin) The shell is turbinate and umbilicate. It is whitish, sparsely stained with brown, and smooth. The whorls are rounded and flattened above, adorned in the middle with a bituberculate band (two knob-like projections), and below with nodulose bands (covered with small nodes ). The aperture is round. The inner lip is tinged with purple, and the outer lip is smooth on the inside. The umbilicus is deep and partly covered by a columellar callus ^[2] .

Distribution

This marine species occurs off Sinaloa, Mexico.

References

1. Modulus cerodes A. Adams, 1851 . 16 September 2025. Retrieved through: World Register of Marine Species .
2. Adams, A. (1851). "A monograph of Modulus, a genus of gasteropodous Mollusca, of the family Littorinida". Proceedings of the Zoological Society of London. 1850 (18): 204. Retrieved 16 September 2025. This article incorporates text from this source, which is in the public domain .

• Petuch, E. J. (1987). New Caribbean molluscan faunas. Charlottesville, Virginia: The Coastal Education and Research Foundation. 154 pp., 29 pls; addendum 2 pp., 1 pl.