Checklist for PROLECITHOPHORA
Kingdom ANIMALIA
Animals
Phylum PLATYHELMINTHES
Flatworms
Class TURBELLARIA
Free-living Flatworms
Order CATENULIDA Meixner, 1924
Order NEMERTODERMATIDA
Order ACOELA
Order HAPLOPHARYNGIDA
Order MACROSTOMIDA
Order PROLECITHOPHORA
Family PSEUDOSTOMIDAE
Family PLAGIOSTOMIDAE
Family TORGEIDAE
Family PROTOMONOTRESIDAE
Family CYLINDROSTOMIDAE
Family HYPOTRICHINIDAE
Family SCLERAULOPHORIDAE
Family URASTOMIDAE
Family BAICALARCTIIDAE
Family ULIANINIIDAE
Family MULTIPENIATIDAE
Family ACANTHELLIDAE
Order LECITHOEPITHELIATA
Order SERIATA
Order DALYELLIOIDA
Order TYPHLOPLANOIDA
Order POLYCLADIDA
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