FAMILY SACCULINIDAE LILLJEBORG 1861
Diagnosis: As provided by Høeg et al. (2020).
Comment: This large family is in need of a generic- and species-level revision based on molecular data. Future transfer of species to the Polyascidae is likely.
Host: Brachyura and Callianassidae .
Drepanorchis Boschma, 1927 (five species)
Heterosaccus Smith, 1906 (15 species)
Loxothylacus Boschma, 1928 (28 species)
Ptychascus Boschma, 1933 (two species)
Sacculina Thompson, 1836 (125 species)
Sesarmaxenos Annandale, 1911 (two species)