Dark Cerith

Dark Cerith
Cerithium atratum (Born, 1778)
Family Cerithiidae

The Dark Cerith is found on S. Hutchisnon Island and is the easiest cerith to find.

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Family Cerithiidae
Cerithium atratum
(Born, 1778)
Dark Cerith

Cerithium atratum (Born, 1778) is the most common among the six species of the family Cerithiidae present on the barrier islands of Southwest Florida. Its shell grows to about 40 mm (about 1.5 inches) and bears a sculpture of spiral cords with numerous beads. Those spiral cords are separated by smaller spiral lines. The shell color is dirt-white to gray covered with irregular brown mottlings or specklings. This detritus-feeding species is very common in the shallow bay areas and sandy-muddy flats.


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