Type species: Powellitheca terranovae Di Martino, Taylor, Gordon & Liow, 2016
This genus includes the species:
Di Martino, Taylor, Gordon & Liow, 2016 | Recent | New Zealand | WoRMS 880606 | |
Di Martino, Taylor, Gordon & Liow, 2016 | Recent | New Zealand | WoRMS 880605 | |
(Waters, 1887) | Plio-Pleistocene | New Zealand | WoRMS 880607 |