| Tucetona | |
|---|---|
| |
| One valve of a shell of Tucetona laticostata from New Zealand, on display at the Museo Civico di Storia Naturale di Milano | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Arcida |
| Family: | Glycymerididae |
| Genus: | Tucetona Iredale, 1931 |
Tucetona is a genus of saltwater clams, marine bivalve molluscs in the family Glycymerididae, the bittersweet clams. Unlike other genera in the family, Tucetona species have a ribbed shell.