Zoned sinum
NameZoned sinum
Scientific NameSinum zonale
Common NameZoned sinum
FamilyNaticidae
GenusSinum
Specieszonale
Geographic DistributionIndo-Pacific region, including areas such as the Philippines, Japan, and Australia.
Shell Shapepatelliform
Average Size (mm)20-50
Identifying FeaturesDistinctive flattened, ear-like shape; extremely low or almost hidden spire; large, wide, D-shaped aperture; smooth, glossy surface; often white or pale coloration. The columella is typically covered by a callus.
Raritycommon
Author Citation(Quoy & Gaimard, 1832)
Description
A small to medium-sized, flattened, ear-shaped marine gastropod shell, typically white or off-white, with a very low spire and a wide, D-shaped aperture. The surface is smooth and somewhat translucent, often appearing glossy.
