(Hylotrema) (Hylotrema) is a biological genus in the family Macroderoididae and order Plagiorchiida.
Hylotrema pennsylvaniensis
Alloglossidium
Alloglossoides
Alloglyptus
Glypthelmis
Haplometrana
Hirudicolotrema
Hylotrema
Macroderoides
Paramacroderoides
Pseudomagnivitellum