Amyellidae
(tree size 4)
Anonymidae
(tree size 8)
Boniniidae
(tree size 9)
Cestoplanidae
(tree size 31)
Diposthidae
(tree size 5)
Euryleptidae
(tree size 219)
Pseudocerotidae
(tree size 362)
Prosthiostomidae
(tree size 127)
Theamatidae
(tree size 8)
Pseudocerotoidea
Chromoplanidae
(tree size 4)
Laidlawiidae
(tree size 3)
Euryleptoidea
Stylochoididae
(tree size 4)
Ditremageniidae
(tree size 2)
Euryleptididae
(tree size 2)
Opisthogeniidae
(tree size 3)
Ditremagenioidea
Opisthogenioidea
Periceloidea
Chromoplanoidea
Prosthiostomoidea
Dicteroidae
(tree size 3)
Pericelididae