Family Architectonicidae

INDO-PACIFIC / HAWAII

Architectonica perspectiva

Manapla, Negros, Philippines, 75 feet, 47.3mm

PERSPECTIVE SUNDIAL

Rare in Hawaii in sandy mud deeper than 100 feet, uncommon and shallower elsewhere.  Attains diameter of 3.3 inches, 83mm.  Red Sea to French Polynesia and Hawaii. https://www.monaconatureencyclopedia.com/architectonica-perspectiva/?lang=en