Petricola insignis
NamePetricola insignis
Scientific NamePetricola insignis
Common NameInsignis Petricola Clam, Rock-boring Clam
FamilyPetricolidae
GenusPetricola
Speciesinsignis
Geographic DistributionIndo-Pacific region, including areas like the Philippines, Indonesia, and other tropical Pacific waters.
Habitatintertidal
Average Size (mm)15-40
Identifying FeaturesOval to subquadrate shape, distinct concentric growth sculpture, moderately inflated valves, umbones slightly anterior. The shell is relatively thick and strong, adapted for boring.
Raritycommon
Author CitationDeshayes, 1854
Description
A small to medium-sized marine bivalve shell, characterized by its oval to subquadrate shape and moderately inflated valves. The exterior typically displays prominent concentric growth lines and can be off-white to cream, often with subtle purplish or reddish-brown banding or blotches. It is a rock-boring clam found in tropical Indo-Pacific waters.
