| Nominal Species (n = 9) | Present allocation (n = 9) | Ref. |
|---|---|---|
| Eohemithiris alexi Hertlein & Grant, 1944 | Eohemithiris alexi | 19 |
| Basiliola arnaudi Cooper, 1981 | Basiliola arnaudi | 3477 |
| Hemithyris beecheri Dall, 1908 | Basiliola beecheri | 75097 |
| Rhynchonella doederleini Davidson, 1886 | Acanthobasiliola doederleini | 2203 |
| Basiliola elongata Cooper, 1959 | Basiliola elongata | 3125 |
| Basiliolella ferox d'Hondt, 1987 | Basiliolella ferox | 3477 |
| Basiliola pompholyx Dall, 1920 | Basiliola pompholyx | 2203 |
| Hemithyris sladeni Dali, 1910 | Rhytirhynchia sladeni | 75097 |
| Hemithyris strebeli Dall, 1908 | Neorhynchia strebeli | 75097 |