operculum attalea circaea durion fissurella apertura
a spiral shell a shell with a spiral shape five to seven whorls (or ridges) on the shell elongated shell a shell with a long siphon
large, spiral-shaped shell spiral-shaped shell a spiral-shaped shell a shell usually with a light-colored center and darker outer rings shell with a narrow opening at the back
an apple and an onion on a table
large, spiral-shaped shell spiral-shaped shell a spiral-shaped shell a shell usually with a light-colored center and darker outer rings shell with a narrow opening at the back
seashell which has smooth or ridged exterior conch which has large, spiral-shaped marine mollusk cornucopia which has usually in the shape of a large curved horn conch which is a large opening in the shell chambered nautilus which is a mollusk with a distinctive spiral shell
nautilus which has white, tan, or brown nautilus which has two short, retractable tentacles nautilus which has mollusk with a spiral shell nautilus which is a central, coiled shell with multiple chambers nautilus which has two long, retractable tentacles
attalea speciosa tromba marina spiral shankha conch
conch whelk nautilus chambered nautilus seashell
seashell which has spiral shape nautilus which has mollusk with a spiral shell nautilus which is a central, coiled shell with multiple chambers seashell which has smooth or ridged exterior kernel which has thin, papery outer shell
nautilus which has white, tan, or brown cockle which has thin, translucent, and glossy seashell which has spiral shape seashell which has smooth or ridged exterior seashell which has openings at one or both ends