is a specific kind of: family.

is a broader term that covers: family Fasciolidae, Fasciolidae | family Schistosomatidae, Schistosomatidae | family Taeniidae, Taeniidae | Ascaridae, family Ascaridae | family Oxyuridae, Oxyuridae | Cephalobidae, family Cephalobidae | family Tylenchidae, Tylenchidae | Ancylostomatidae, family Ancylostomatidae | family Filariidae, Filariidae | Dracunculidae, family Dracunculidae | Branchiobdellidae, family Branchiobdellidae | family Terebellidae, Terebellidae | family Hirudinidae, Hirudinidae ... show more.

is a member of: animal kingdom, Animalia, kingdom Animalia.