Granular Small Star
NameGranular Small Star
Scientific NameClanculus granularis
Common NameGranular Small Star
FamilyTrochidae
GenusClanculus
Speciesgranularis
Geographic DistributionIndo-Pacific region, including areas like the Red Sea, Indian Ocean, and Western Pacific.
Habitatintertidal
Shell Shapeconical
Average Size (mm)10-20 mm (The shells in the image appear to be on the smaller end of this range, likely around 10-15 mm).
Identifying FeaturesSmall size, turbinate/trochiform shape, prominent granular or nodulose sculpture, nacreous aperture, and a pale, calcareous operculum. A small tooth-like projection on the columella is also characteristic of the genus, though not clearly visible in these views.
Raritycommon
Author Citation(Röding, 1798)
Description
The image displays three small, turbinate to trochiform seashells, likely belonging to the genus Clanculus. They exhibit a characteristic granular or nodulose sculpture across their surface. The shells are generally dull in color externally, with shades of brown, grey, and hints of purplish-blue, often with lighter patches of encrustation or wear. The aperture is clearly nacreous (iridescent) on the interior, and two of the shells show a pale, calcareous operculum, which is a distinguishing feature for many top snails. The overall appearance suggests a species adapted to rocky, intertidal environments.
