Palmadusta diluculum
NamePalmadusta diluculum
Scientific NamePalmadusta diluculum
Common NameDawn Cowry, Diluculum Cowry
FamilyCypraeidae
GenusPalmadusta
Speciesdiluculum
Geographic DistributionIndo-Pacific region, ranging from East Africa (e.g., Mozambique, Tanzania) to the Western Pacific (e.g., Philippines, Indonesia, Papua New Guinea, Solomon Islands).
Habitatsubtidal
Average Size (mm)15-30
Identifying FeaturesThe distinctive zigzag pattern on a pale background, small size, and the characteristic smooth, glossy, ovate shape of a cowry. The dorsal line is usually clear.
Raritycommon
Author Citation(Gmelin, 1791)
Description
A small, ovate, and highly polished cowry shell. The dorsal surface is typically pale, ranging from creamy white to light tan, adorned with striking reddish-brown to purplish-brown zigzag or wavy patterns that often form a central dorsal line. The base and margins are usually pale, and the aperture is narrow.
