Montfortista panhi
NameMontfortista panhi
Scientific NameMontfortista panhi
Common NamePanhi keyhole limpet
FamilyFissurellidae
GenusMontfortista
Speciespanhi
Geographic DistributionWestern Pacific, including Japan, Taiwan, and the Philippines.
Habitatsubtidal
Shell Shapeconical
Average Size (mm)Up to 25 mm in length.
Identifying FeaturesKeyhole-shaped apical foramen, strong cancellate sculpture (radial ribs crossed by concentric growth lines), low-conical profile, and greenish interior.
Author CitationPilsbry, 1901
Description
A species of keyhole limpet (family Fissurellidae) characterized by its low-conical shell, prominent cancellate sculpture formed by radial ribs and concentric growth lines, and a distinctive keyhole-shaped foramen at the anterior apex. The exterior is typically off-white to cream, while the interior often exhibits a greenish-white coloration.
