Granulated Cowry (Nucleolaria granulata) size 4cm
The Granulated Cowry is endemic to Hawaii. It is very similar to Nucleolaria nucleus イボダカラ in Japan. The top has bumps and a dorsal groove. Found on Kauai.
The bottom of the Granulated Cowry has ridges connected to the teeth. The lines are not always present. This is the same shell found on Kauai.