| Septemtriocetus Temporal range:   | |
|---|---|
|  Scientific classification   | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Mammalia | 
| Order: | Artiodactyla | 
| Suborder: | Whippomorpha | 
| Infraorder: | Cetacea | 
| Family: | Phocoenidae | 
| Genus: | † Septemtriocetus  Lambert, 2008 [1]  | 
| Species: | †S. bosselaersi  | 
| Binomial name | |
| †Septemtriocetus bosselaersi Lambert, 2008 [2]   | |
Septemtriocetus is an extinct genus of toothed whale from the late Cenozoic. [1]
Fossils of this species were found at the Verrebroek dock, northwest of Antwerp, in Belgium, at the border with the Netherlands. [3]