Sub-class Prosobranchia Superfamily Neritacea Family Helicinidae Genus Aphanoconia Genus Bourciera Genus Calybium Genus Ceratopoma Genus Eutrochatella Genus Geophorus Genus Hemipoma Genus Krebsia Genus Mammilla Genus Ogasawarana Genus Orobophana Genus Pleuropoma Genus Sulfurina Subfamily Helicininae Genus Alcadia Genus Helicina Subfamily Hendersoniinae Genus Hendersonia Genus Waldemaria Subfamily Proserpininae Genus Prosperina Subfamily Vianinae Genus Lucidella Genus Stoastoma Genus Viana Subfamily Ceratodiscinae Genus Cerastodiscus Subfamily Proserpinellinae Genus Ceres Genus Linidiella Genus Prosperpinella Genus Staffola
Hendersonia occulta(Say,1831) Shell width about 6.5 mm with 5.5 whorls,color orange-brown but variable.Aperture sub-triangular with white border and thick lip. In North-America. Photo:L.Watrous
Helicina orbiculata(Oligyra orbiculata)(Say,1818) Shell about 7mm with 5 whorls,color yellowish-brown with lighter bands. The lip is white and thick. In North-America;Texas to Florida,Illinois to Kentucky. Photo:L.Watrous
Helicina adspersa(Pfeiffer,1839) Shell about 2.5cm,yellowish-brown. In Cuba.
Viana regina(Morelet,1849) Shell about 2.5cm,whitish-brown. In Cuba.
Viana regina form marmorata(Torre,1950)
Viana regina form multistriata(Pfeiffer,1852)
Helicina and Viana photo's:Femorale.com