FAMILY DUPLORBIDAE HØEG & RYBAKOV, 1992
Diagnosis: As provided by Høeg et al. (2020).
Comment: Monophyly rests on morphology alone because no species has been sampled for molecular analyses. The family shares several potential apomorphies with the Chthamalophilidae .
Host: Isopoda (including Epicaridea) and Cumacea.
Arcturosaccus Rybakov & Høeg, 1992 (one species)
Cryptogaster Bocquet-Védrine & Bourdon, 1984 (one species)
Duplorbis Smith, 1907 (three species)