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.