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 photo © ria tan |
Keyhole
sand dollar Echinodiscus truncatus Order Clypeasteroida Close-up of the test (skeleton) of a dead Keyhole sand dollar shows clearly the food grooves leading to the mouth in the center, and the lunules (holes) on the sides. The test is smooth as the spines fall off when the sand dollar dies. |
a
companion website to the chek
jawa guidebook
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