rosemouth star shell
Namerosemouth star shell
Scientific NameBolma modesta
Common NameRose-mouth Star Shell
FamilyTurbinidae
GenusBolma
Speciesmodesta
Geographic DistributionIndo-Pacific, including regions such as Japan, Taiwan, and the Philippines.
Habitatsubtidal
Shell Shapeconical
Average Size (mm)50
Identifying FeaturesThe most prominent identifying features are its distinctive rose-pink nacreous aperture, conical shape with a flattened base, and a strongly spined periphery. The shell surface is covered with granular spiral sculpture.
Raritycommon
Author Citation(Reeve, 1843)
Description
A medium-sized, heavy, trochiform (conical) marine gastropod shell, characterized by its flattened base and a strongly spined periphery. The exterior surface is typically whitish or cream, adorned with numerous granular or nodulose spiral cords. The most distinctive feature is the aperture, which has a pearly, iridescent interior, often displaying a vibrant rose-pink or purplish hue, particularly around the columella and inner lip, giving rise to its common name.
