Children (6 direct children, 7 direct and indirect children):
Caspian tubenose goby
Proterorhinus semipellucidus
Chornaya tubenose goby
Crimean tatar goby
Western tubenose goby
Proterorhinus semilunaris
Marine tubenose goby
(tree size 1)
Tubenose goby
Eastern tubenose goby
Proterorhinus nasalis
Proterorhinus vasilievae