Discopyge, [464]

Distaplia, [85];

D. magnilarva, larva, [78]

Distichodontinae, [576]

Distichodus, [576];

D. niloticus, mouth, [577]

Distoma, [85]

Distomatidae, [85], [81], [82], [83], [86], [110];

reproductive organs, [56];

ascidiozooid, [82];