Elimia showalteriElimia showalteri, common name the compact elimia, is a species of freshwater snail in the family Pleuroceridae.Shell descriptionElimia showalteri has a large, robust, smooth shell boldly colored brown and/or green shell.AnatomyElimia showalteri is agill-breathing snail. It is genetically very similar to the lacy elimia Elimia crenatella.DistributionThis snail is endemic to the Upper Cahaba River in Alabama, the United States.EcologyHabitatCompact elimia are found grazing individually throughout shoal habitats.Life cycleEmbryos develop into trochophore larvae before eventually becoming veliger larvae.Feeding habitsThese snails are known to graze individually in shoal habitats.