| Tetrodontium | |
|---|---|
| |
| Tetrodontium brownianum | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Division: | Bryophyta |
| Class: | Tetraphidopsida |
| Order: | Tetraphidales |
| Family: | Tetraphidaceae |
| Genus: | Tetrodontium Schwägr. |
| Species | |
Tetrodontium is a genus of two species of moss (Bryophyta). Its name refers to its four large peristome teeth.