Sinum bifasciatum
NameSinum bifasciatum
Scientific NameSinum bifasciatum
Common NameEar Moon Snail
FamilyNaticidae
GenusSinum
Speciesbifasciatum
Geographic DistributionIndo-Pacific, particularly the Western Pacific, including regions such as the Philippines, Japan, and parts of Australia.
Habitatsubtidal
Shell Shapepatelliform
Average Size (mm)20-40
Identifying FeaturesDistinctive flattened, ear-like profile; extremely large and wide aperture; very small, often sunken spire; smooth surface with fine, concentric growth lines; typically pure white coloration. The umbilicus is often covered by a callus.
Raritycommon
Author Citation(Récluz, 1843)
Description
A flattened, ear-shaped marine gastropod shell, typically white or cream in color, characterized by a very large aperture and a small, sunken spire. It belongs to the moon snail family (Naticidae) and is found burrowing in sandy substrates.
