-Animals (Kingdom Animalia)

-Molluscs (Phylum Mollusca)

-Gastropods (Class Gastropoda)

-Caenogastropods (Subclass Caenogastropoda)

-Cerith Snails and Allies (Superfamily Cerithioidea)

-Cerith Snails (Family Cerithiidae)

-Subfamily Cerithiinae

-Genus Cerithium

-Cerithium adustum

Cerithium is a genus of small to medium-sized sea snails, marine gastropod mollusks in the family Cerithiidae, the ceriths. Their nocturnal nature means they're most active during the night feeding on algae and detritus. They are native to tropical oceans.