The African wild ass or African wild donkey is a wild member of the horse family, Equidae. This species is believed to be the ancestor of the domestic donkey, which is sometimes placed within the same species. They live in the deserts and other arid areas of the Horn of Africa, in Eritrea, Ethiopia and Somalia. It formerly had a wider range north and west into Sudan, Egypt, and Libya. It is Critically Endangered, with about 570 individuals existing in the wild.
Desmoulin's whorl snail is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusc or micromollusc in the family Vertiginidae, the whorl snails.
Lithoglyphus naticoides, the gravel snail, is a species of small or minute freshwater snail with an operculum, an aquatic gastropod mollusk in the family Lithoglyphidae.
Theodoxus danubialis is a species of small freshwater snail with an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites. The species is considered as endangered in Germany, Austria and in the Czech Republic.
Theodoxus fluviatilis, common name the river nerite, is a species of small freshwater and brackish water snail with a gill and an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites.
Anisus septemgyratus is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
Bithynia is a genus of small freshwater snails with an operculum, aquatic prosobranch gastropod mollusks in the family Bithyniidae.
Trochulus is a genus of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily subfamily Trochulininae of the family Hygromiidae, the hairy snails and their allies.
Radix peregra, previously known as Lymnaea peregra or Lymnaea pereger, is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod in the family Lymnaeidae, the pond snails.
Valvata piscinalis, common name the European stream valvata or European valve snail, is a species of minute freshwater snail with gills and an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails. It is also known as Cincinna piscinalis.
Pseudotrichia rubiginosa, sometimes known as the "German hairy snail", is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Hygromiidae, the hairy snails and their allies.
Marstoniopsis is a genus of minute freshwater snails with a gill and an operculum, aquatic gastropod mollusks or micromollusks in the family Amnicolidae.
Xerocrassa geyeri is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Hygromiidae. It is also often known as Trochoidea geyeri.
Fusolatirus paetelianus is a species of sea snail, a marine gastropod mollusc in the family Fasciolariidae, the spindle snails, the tulip snails and their allies.
Mammilla melanostoma is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.
Polinices lacteus is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.
Wilhelm Dunker, full name Wilhelm Bernhard Rudolph Hadrian Dunker was a German geologist, paleontologist and zoologist.
Heinrich Carl Küster was a German malacologist and entomologist.
Filopaludina javanica or Idiopoma javanica is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Viviparidae.
