Truncatella (gastropod)
''Truncatella'' is a genus of very small land snails with an Operculum (gastropod), operculum, terrestrial animal, terrestrial gastropod mollusks in the family Truncatellidae. These minute snails live in land habitats close to seawater. They walk with a looping action, and the adults have truncated gastropod shell, shells. Many of the species are small enough to be considered micromollusks. ''Truncatella'' is the type genus of the family Truncatellidae. Description As implied by the name, these snails are notable for the way they modify their elongated shells as they mature, breaking off several of the Apex (mollusc), apical Whorl (mollusc), whorls, and forming a relatively smooth seal for the remainder of the shell. Locomotion The method of animal locomotion, locomotion used by ''Truncatella'' is unusual. Instead of gliding over a slime trail using minute waves in its foot, ''Truncatella'' uses a very large and muscular proboscis to reach ahead and grasp a surface, at which ...
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