'''''A. ater''''' may refer to: *''Abacetus ater'', a ground beetle found in Australia *''Achalinus ater'', Bourret's odd-scaled snake, found in Vietnam and China *''Agrilinus ater'', a scarab beetle found in the Palearctic **''Aphodius ater'', a synonym of ''Agrilinus ater'' *''Aiteng ater'', a sea slug found in Thailand *''Ampeloglypter ater'', a weevil *''Anguis ater'', a synonym of ''Anilius scytale'', a snake found in South America *''Anthonomus ater'', a weevil found in North America *''Apalone ater'', a synonym of the subspecies ''Apalone spinifera atra'', the black spiny softshell, a turtle found in Mexico *''Arion ater'', the black slug, a gastropod native to Europe and invasive to North America and Australia *''Armadillo ater'', a synonym of ''Armadillidium vulgare'', the common pill bug or potato bug, an isopod native to Europe and found across the world *''Aulacomya ater'', a synonym of ''Aulacomya atra'', a saltwater mussel found in the Southern Hemisphere *''Auleutes ater'', a weevil found in North America
{{species Latin name abbreviation disambiguation}}