Lithophora

Lithophora is an infraorder of flatworms belonging to the order Proseriata. It contains the following subtaxa:
Families:

Archimonocelididae
Calviriidae
Coelogynoporidae
Monocelididae
Monotoplanidae
Otoplanidae
Yorkniidae

Genera unplaced in families:Japanoplana

''Serrulina''