Children (11 direct children, 13 direct and indirect children):
Gigantidas gladius
Gigantidas coseli
Gigantidas horikoshii
Gigantidas horikoshi
Gigantidas tangaroa
(tree size 2)
Gigantidas samario
Gigantidas taiwanensis
Gigantidas childressi
Gigantidas haimaensis
Gigantidas mauritanicus
Gigantidas platifrons
Gigantidas vrijenhoeki