Children (8 direct children, 777 direct and indirect children):
Sternoptychidae
(tree size 123)
Stomiidae
(tree size 509)
Gonostomatidae
(tree size 87)
Bristlemouth
Diplophidae
Portholefishes
Phosichthyidae
(tree size 50)
Gonostomatoidei
Photichthyoidei
Idrissia