FAMILY THOMPSONIIDAE HØEG & RYBAKOV, 1992

Diagnosis: As provided by Høeg et al. (2020).

Comment: As for the Peltogasterellidae, these parasites have obligatory colonial externae that are lost and replaced after a single reproductive cycle.

Host: Brachyura, Anomura, Caridea and Stomatopoda.

Diplothylacus Høeg & Lützen, 1993 (four species)

Jensia Boyko & Williams, 2015 (two species)

Thompsonia Kossmann, 1872 (five species)

Thylacoplethus Coutière, 1902 (13 species)