Atys (Montfort, 1810) is a genus of gastropod, also known as the Atys Bubble Shells. All species are herbivores.
- Atys angustatus Smith, 1972
- Atys beberkiriana Martin, 1906
- Atys blainvilliana Récluz, 1843 (probably a synonym of Atys jeffreysi)
- Atys brocchii Michelotti, 1847
- Distribution : Mediterranean, Turkey
- Atys caribaeus d'Orbigny, 1841. Also known as Caribbean Glassy-bubble, Sharp’s Paper-bubble
- Distribution : Florida, Caribbean, Brazil, Western Atlantic Ocean.
- Length : 11 mm
- Description : found at depths up to 183 m; small ovate white shell, narrowing toward the apex; sunken spire; body whorl has spiral grooves at the edges; narrow aperture
- Atys casta Carpenter, 1864 Clean Glassy-bubble
- Atys chelidon Melvill, 1912
- Atys cheverti Brazier, 1879
- Atys chimera Baker & Hanna, 1927
- Distribution : Baja Californica, Mexico
- Length : 7 mm
- Atys constrictus Habe, 1952
- Atys convexa Preston, 1908
- Atys costulosa Pease, 1869
- Atys curta A. Adams, 1850 Striate Bubble
- Atys cylindrica Hinds, 1779
- Distribution : Indo-Pacific
- Length : 30 mm
- Description : Thin, fragile, subcylindrical shell with sunken apex. Color is white or very light brown. it may have a few brown axial lines.
- Atys dactylus Hedley, 1899
- Atys darnleyensis Brazier, 1879
- Atys debilis Pease, 1871
- Distribution : Hawaii
- Length : 10 mm
- Description : on sandy bottoms where they burrow through the sand with their flattened headshield for food like small crustaceans.
- Atys dubiosa Brazier, 1879
- Atys ehrenbergi A. Issel, 1869 (possibly = Atys naucum)
- Distribution : Red Sea
- Length : 11 mm
- Atys flavovirens Melvill & Standen, 1903
- Atys fukuokaensis Habe
- Atys guildingi Sowerby II, 1869 Guildin’s Atys
- Atys hyalina Watson, 1883
- Atys jeffreysi Weinkauff, 1868
- Atys kekele Pilsbry, 1920
- Atys kuhnsi Pilsbry, 1917
- Atys liriope Hertlein & Strong, 1951
- Distribution : California, Mexico
- Length : 10 mm
- Atys lithensis Sturany, 1903
- Atys macandrawii E.A. Smith, 1872
- Distribution : Caribbean, Brazil, Eastern Atlantic Ocean, Azores, Canaries, Cape Verde Islands
- Length : 7.3 mm
- Description : found at depths of up to 75 m
- Atys mirandae Smith, 1872
- Atys multistriata Schepman, 1913
- Distribution : Micronesia, Philippines
- Length : 12 mm
- Description : short headshield, broadened anteriorly, with internal black eyes. Short posterior lobes. Triangulate parapodia cover the anterior of the shell; short, rounded tail; The translucent Hancock’s organs appear as a thin low profile ridge. Translucent white animal with brown spots and clusters of opaque white dots; thin, elongate, ovoid shell; inner margin of the outer lip extends above the apex; slightly curved columella; deep umbilicus behind the fold
- Atys muscaria Gould, 1859
- Atys naucum Linnaeus, 1758 White Nut Sheath Bubble, Pacific Nut Sheath Bubble
- Distribution : Indo-Pacific (excluding the Red Sea), Australia
- Length : 22-50 mm
- Description : common species; light brown inflated bubble shell;: the brown color comes from the periostracum, covering the shell; this flakes off when the snail dies; juveniles have lengthwise brown wavy lines on the shell.
- Atys neglecta Preston, 1908
- Atys nonscriptus Clean-slate Glassy-bubble
- Atys obscuratus Dall, 1896 Obscure Glassy-bubble
- Distribution : North Carolina
- Length : 4 mm
- Atys okamotoi Habe, 1952
- Atys pacei Preston, 1908
- Atys palmarum Hedley, 1912
- Atys porcellana Gould, 1859
- Atys pransa Hedley, 1904
- Atys pulchra, Brazier, 1879
- Atys reliquua Iredale, 1936
- Atys riiseanus Mörch, 1875
- Distribution : Florida, Caribbean, Brazil
- Length : 13 mm
- Description : found at depths up to 90 m
- Atys sandersoni Dall, 1881
- Distribution : North Carolina, Cuba, Pnama, Brazil
- Length : 8 mm
- Atys scrobiculata A. Adams, 1862
- Atys semistriata Pease, 1860 Variably Banded Atys, Variable Banded Bubble
- Distribution : West Pacific
- Length : 6 mm
- Atys submalleata Smith, 1904
- Atys supracancellata Schepman, 1913
- Atys vixumbilicata Preston, 1908
- Atys xarifae Marcus, 1959Template:Invertebrate-stub
