The depressed river mussel or compressed river mussel, Pseudanodonta complanata, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. The species name comes from the flattened shape of its shell.
Unio crassus, the thick shelled river mussel, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Arion fuscus, also known as the "dusky arion", is a species of small air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Arionidae, the roundback slugs.
Viviparus contectus, common name Lister's river snail, is a species of large, freshwater snail with an operculum and a gill, an aquatic gastropod mollusk in the family Viviparidae, the river snails.
Deroceras reticulatum, common names the "grey field slug" and "grey garden slug", is a species of small air-breathing land slug, a terrestrial pulmonate gastropod mollusc in the family Agriolimacidae. This species is an important agricultural pest.
Pisidium tenuilineatum, the fine-lined pea mussel, is a species of very small freshwater bivalve in the family Sphaeriidae.
Sphaerium rivicola, the river orb mussel, is a species of freshwater bivalve from family Sphaeriidae.
Pisidium moitessierianum is a species of minute freshwater clam. It is an aquatic bivalve mollusc in the family Sphaeriidae.
Pisidium milium is a species of very small freshwater bivalve in the family Sphaeriidae, the fingernail clams and pea clams.
Pisidium pseudosphaerium is a species of freshwater bivalve from family Sphaeriidae.
Pisidium obtusale is a species of freshwater bivalve from family Sphaeriidae.
Anisus septemgyratus is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
Arion obesoductus is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Arionidae, the round-back slugs.
Hauffenia sp. nov. is an as yet undescribed species of freshwater snail that lives underground, an aquatic gastropod mollusk in the family Hydrobiidae. This species is found in Slovakia.
Vallonia declivis is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Valloniidae.
Bithynia transsilvanica is a species of freshwater snail, an aquatic prosobranch gastropod mollusk in the family Bithyniidae.
Alzoniella slovenica is a species of very small or minute freshwater snail with an operculum, an aquatic gastropod mollusk in the family Hydrobiidae, which are sometimes known as the snouted water snails.
Lucilla scintilla is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Helicodiscidae.
