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Family Bursidae

HAWAII

Bursa bufonia bufonia

North Shore, Oahu, 2 feet

WARTY FROG SHELL

Rare under slabs at any depth.  Shell flattened, posterior canals moderately long, spire aperture yellow or white.  Attains 4 inches.  Hawaii & the Indo-West Pacific.  The endemic Bursa luteostoma has a taller spire and rugged sculpture.