Lewis’s Moon
(4”) 10 cm
Lunatia lewisi (Gould, 1847).
British Columbia to Baja California.
In sand, intertidal and offshore; common.
Largest living naticid.
Kingdom: Animalia
Phylum: Mollusca
Class: Class Gastropoda
Sublcass: Caenogastropoda
Order: Littorinimorpha
Family: Naticidae
Genus: Lunatia
Species: Lunatia lewisi