Children (12 direct children, 14 direct and indirect children):
Flathead flounder
Hippoglossoides dubius
American plaice
(tree size 1)
Long rough dab
Bering flounder
Hippoglossoides robustus
Flathead sole
(tree size 1)
Hippoglossoides elassodon
Hippoglossoides exilis
Hippoglossoides hamiltoni
Hippoglossoides herzensteini
Hippoglossoides jordani
Hippoglossoides katakurae
Hippoglossoides pinetorum
Hippoglossoides propinquus
Hippoglossoides punctatissimus