Children (9 direct children, 9 direct and indirect children):
Hygophum benoiti
Lanternfish
Hygophum hygomii
Lanternfish
Hygophum taaningi
Hygophum bruuni
Hygophum hanseni
Hygophum proximum
Lantern fish
Hygophum reinhardtii
Hygophum macrochir
Hygophum atratum