n = 5
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Richardsonius balteatus | (Richardson, 1836) | Richardsonius balteatus | Leuciscidae | Redside shiner |
| Richardsonius balteatus balteatus | (Richardson, 1836) | Richardsonius balteatus | Leuciscidae | Redside shiner |
| Richardsonius balteatus hydrophlox | (Cope, 1872) | Richardsonius balteatus | Leuciscidae | Redside shiner |
| Richardsonius egregius | (Girard, 1858) | Richardsonius egregius | Leuciscidae | Lahontan redside |
| Richardsonius lateralis | Girard, 1856 | Richardsonius balteatus | Leuciscidae | Redside shiner |