World's Largest Gastropod with Rare Intact Periostracum - Syrinx Aruanus - Giant Australian Trumpet shell - Height: 464 mm - Width: 237 mm- 3020 g - (1)

World's largest gastropod shell (Syrinx aruanus) from Timor Island, Indonesia, giant Australian trumpet shell with intact periostracum, dimensions 464 x 237 mm, weight 3020 g. Marine specimen with rare preserved organic coating.