Astralium pileolum
NameAstralium pileolum
Scientific NameAstralium pileolum
Common NameStar shell (general for genus)
FamilyTurbinidae
GenusAstralium
Speciespileolum
Geographic DistributionIndo-Pacific region, including areas such as the Philippines, Japan, and other parts of the tropical Western Pacific.
Habitatintertidal
Shell Shapeconical
Average Size (mm)Shells typically range from 30 to 50 mm in diameter.
Identifying FeaturesLow conical shape, thick and robust shell, often with a nodulose or spiny periphery (though not clearly visible in this encrusted specimen), and a calcareous operculum. The flattened base is also a key characteristic.
Raritycommon
Author Citation(Reeve, 1842)
Description
A robust, conical to turbinate sea snail shell, heavily encrusted with marine growth and sediment in the provided image. The shell exhibits a low spire and a broad base, characteristic of the genus Astralium. Its surface appears rough and irregular, with muted greenish-yellow, brownish, and purplish-grey tones visible beneath the encrustation. It is depicted in its natural habitat, likely an intertidal or shallow subtidal zone on a rocky or sandy-muddy substrate.
