|Named By:||Traquair in 1836|
|Time Period:||Carboniferous 330-300 Ma|
|Location:||Ireland (Republic of, and Northern) and Scotland|
|Size:||Possibly as much as 6 to 7 meters long|
|Fossil(s):||Several individuals but usually only of partial remains|
|Classification:||| Chordata | Osteichthyes | Sarcopterygii | Tetrapodomorpha | Rhizodontida | Rhizodontidae ||
Rhizodus (root tooth) is an extinct genus of rhizodont, a branch of the Sarcopterygii, the bony vertebrate clade that also includes tetrapods. It reached 6-7 metres (20-23 ft) in length.