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  • José H. Leal

The Crenulated Pyram

The Crenulated Pyram, Longchaeus suturalis (H. C. Lea, 1843), is, at 12 mm (about 0.5 inch), the largest locally occurring species of the mega-diverse family Pyramidellidae. Pyramidellids are in most cases parasitic marine snails that specialize in sucking the body juices and blood of other marine organisms, including other mollusks, worms, and some crustaceans. The shell of the Crenulated Pyram is smooth, conical, with straight sides; the species is not locally common.

The Crenulated Pyram, Longchaeus suturalis, from Sanibel. Photos by José H. Leal.

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