-
-
Eumetazoa (metazoans)
-
Bilateria (bilaterally symmetrical animals)
-
Protostomia (protostomes)
-
Platyhelminthes (flatworms)
-
Class Turbellaria
-
Order Kalyptorhynchia
-
Family Acrumenidae
-
Family Aculeorhynchidae
-
Family Bertiliellidae
-
Family Cicerinidae
-
Family Crassicollidae
-
Family Cystiplanidae
-
Family Cytocystidae
-
Family Gnathorhynchidae
-
Family Koinocystididae
-
Family Placorhynchidae
-
Family Polycystididae
-
Family Psammorhynchidae
-
Family Rhynchokarlingiidae
-
-
-
-
-
-
-