Polinices bifasciatus
NamePolinices bifasciatus
Scientific NamePolinices bifasciatus (Griffith & Pidgeon, 1834)
Common NameNot specified
FamilyNaticidae
GenusPolinices
Speciesbifasciatus
Geographic DistributionMexico, Gulf of California
Shell Shapeglobose
Average Size (mm)30-50
Identifying FeaturesGlobose, smooth shell; low spire; large, D-shaped aperture; distinct umbilicus; calloused inner lip; characteristic spiral banding.
Author Citation(Griffith & Pidgeon, 1834)
Description
The image displays three specimens of Polinices bifasciatus, a marine gastropod shell. The shells are globose to ovate in shape, with a smooth surface and a low spire. They exhibit a characteristic D-shaped aperture, a calloused inner lip, and a distinct umbilicus. The coloration is generally light brown to cream, adorned with darker reddish-brown spiral bands and fine, irregular axial growth lines. The interior of the aperture is whitish.
