Planorbella duryi (Wetherby, 1879) Seminole Rams-horn
form seminolis [scalariform morph]
Planorbella duryi (Wetherby, 1879) Seminole Rams-horn

    Lake at Florida State College Jacksonville south campus, Duval County, Florida 6/19/2015. The brown colored shell pictured above is a juvenile Pomacea paludosa (Say, 1829) [Florida Applesnail] which shares the habitat.