Benthotrema
(tree size 6)
Megalomyzon
(tree size 2)
Megenteron
(tree size 3)
Steringophorus
(tree size 17)
Olssonium
(tree size 1)
Prudhoeus
(tree size 3)
Thryssatrema
(tree size 1)
Fellodistominae
(tree size 35)
Piriforminae
(tree size 2)
Tergestiinae
(tree size 15)