Arion is a genus of air-breathing land slugs in the family Arionidae, the roundback slugs. Most species of this Palearctic genus are native to the Iberian Peninsula.
Stagnicola palustris is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusc in the family Lymnaeidae, the pond snails.
Elona quimperiana, common name the escargot de Quimper, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Elonidae.
Esperiana esperi is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Melanopsidae.
Gittenbergeria turriplana is a species of air-breathing land snail, terrestrial pulmonate gastropod mollusks in the family Trissexodontidae.
Iberus gualtieranus is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helicidae, the typical snails.
Iberus is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicinae of the family Helicidae.
Theodoxus is a genus of nerites, small water snails with an operculum, some of which live in freshwater, and some in both freshwater and brackish water, aquatic gastropod mollusks in the family Neritidae, the nerites.
Viviparus acerosus is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Viviparidae, the river snails.
Otala lactea, known as the milk snail or Spanish snail, is a large, edible species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk, in the family Helicidae, the typical snails.
Xerotricha conspurcata is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Geomitridae.
Testacella maugei is a species of air-breathing, carnivorous land slug, a terrestrial gastropod mollusc in the family Testacellidae, the shelled slugs.
Lindholmiola lens is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helicodontidae.
Thelidomus is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Pleurodontidae.
Xerocrassa caroli is a species of air-breathing land snail, a pulmonate gastropod mollusk in the family Geomitridae.
Xerotricha madritensis is a species of air-breathing land snail, a pulmonate gastropod mollusk in the family Geometridae, the hairy snails and their allies.
Bellamya unicolor is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Cleopatra bulimoides is a species of freshwater snails with an operculum, aquatic gastropod molluscs in the family Paludomidae.
Melanopsis fossilis is an extinct species of sea snail, a freshwater gastropod mollusk in the family Melanopsidae.
