Emarginella incisura
NameEmarginella incisura
Scientific NameEmarginella incisura
Common NameNone found (often referred to as a type of slit limpet or keyhole limpet)
FamilyFissurellidae
GenusEmarginella
Speciesincisura
Geographic DistributionIndo-Pacific region, including areas such as the Philippines, Japan, and parts of Australia.
Habitatsubtidal
Shell Shapeconical
Average Size (mm)10-25 mm in length (estimated from image and typical species size)
Identifying FeaturesDistinctive V-shaped anterior slit (incisura), oval and cap-shaped shell, low conical profile, and sculpture of concentric growth lines. The apex is usually slightly anterior and recurved.
Raritycommon
Author CitationA. Adams, 1852
Description
A small, cap-shaped marine gastropod shell, commonly known as a slit limpet. It is characterized by its oval outline and a distinctive V-shaped anterior slit. The shell surface typically exhibits concentric growth lines and fine radial sculpture. This specimen appears to be a pale yellowish-white to cream color, with some internal purplish-brown markings near the apex and slit.
