Tjaernoeia

Tjaernoeia
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Infraclass: Mesoneura
Superfamily: Tjaernoeioidea
Family: Tjaernoeiidae
Warén, 1991
Genus: Tjaernoeia
Warén & Bouchet, 1988
Type species
Fossarus monterosati
Grillo, 1877

Tjaernoeia is a genus of sea snails in the heterobranch clade Mesoneura. They are named after the marine laboratory at Tjärnö, Strömstad, Sweden. Their shells are rounded, thin and translucent.