Classification: | Kingdom: Animalia | Phylum: Mollusca | Class: Gastropoda | Superfamily: Planorboidea | Family: Planorbidae | Genus: Amerianna |

This is a small freshwater snail with a lenght of about 6-8 millimetres. The jelly-like lumpy materials on the underside of the leaves of the Frogbit (Hydrocharis morsus-ranae) house the eggs of this snail.