FAMILY POLYASCIDAE HØEG & GLENNER, 2019
Diagnosis: As provided by Høeg et al. (2020).
Comment: This family was recently separated from the Sacculinidae by molecular evidence. Future analyses might well see the transfer of additional species from the Sacculinidae to the Polyascidae .
Host: Brachyura and Gebiidea.
Parasacculina Høeg & Glenner, 2019 (five species)
Polyascus Glenner, Lützen & Takahashi, 2003 (three species)