Type species: Pierrella larsoni Wilson & Taylor, 2012
This genus includes the species:
| Wilson & Taylor, 2012 | Late Cretaceous Campanian-Maastrichtian | USA Wyoming, South Dakota | WoRMS 1299185 | |
| Grischenko, Gordon & Melnik, 2018 | Recent | Pacific Clarion-Clipperton FZ | WoRMS 1299186 |