Macroschisma sinense
NameMacroschisma sinense
Scientific NameMacroschisma sinense
Common NameChinese Keyhole Limpet
FamilyFissurellidae
GenusMacroschisma
Speciessinense
Geographic DistributionWestern Pacific, including coastal waters of China, Japan, and Korea.
Habitatintertidal
Average Size (mm)Length: 14 mm, Width: 7.6 mm (based on image scale).
Identifying FeaturesThe most prominent identifying feature is the large, elongated, keyhole-shaped opening at the apex. The shell exhibits a cancellate sculpture on the exterior, formed by intersecting concentric growth lines and radial ribs. Its overall shape is a relatively flat, elongated oval.
Raritycommon
Author CitationA. Adams, 1855
Description
A small, limpet-like marine gastropod shell, characterized by its elongated oval shape and a prominent, keyhole-shaped aperture located apically. The exterior displays a textured sculpture of concentric growth lines and radial ribs, with a coloration of reddish-brown, purplish-pink, and cream bands. The interior is smooth, glossy, and pearly white.
