Type species: Bifaxaria vagans Thornely, 1912
This genus includes the species:
| Di Martino, Taylor & Portell, 2017 | Neogene Miocene Burdigalian | USA Florida | WoRMS 1409699 | |
| (Thornely, 1912) | Recent | Indian O. | WoRMS 472607 |
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| Vix vagans (thanks to Dennis Gordon, NIWA) |