n = 7
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Scaphirhynchus albus | (Forbes & Richardson, 1905) | Scaphirhynchus albus | Acipenseridae | Pallid sturgeon |
| Scaphirhynchus fedtschenkoi | Kessler, 1872 | Pseudoscaphirhynchus fedtschenkoi | Acipenseridae | Syr Darya sturgeon |
| Scaphirhynchus hermanni | Kessler, 1877 | Pseudoscaphirhynchus hermanni | Acipenseridae | Dwarf sturgeon |
| Scaphirhynchus kaufmanni | Kessler, 1877 | Pseudoscaphirhynchus kaufmanni | Acipenseridae | Amu Darya sturgeon |
| Scaphirhynchus platorynchus | (Rafinesque, 1820) | Scaphirhynchus platorynchus | Acipenseridae | Shovelnose sturgeon |
| Scaphirhynchus platyrhynchus | (Rafinesque, 1820) | Scaphirhynchus platorynchus | Acipenseridae | Shovelnose sturgeon |
| Scaphirhynchus suttkusi | Williams & Clemmer, 1991 | Scaphirhynchus suttkusi | Acipenseridae | Alabama sturgeon |