Children (39 direct children, 42 direct and indirect children):
Megabalanus tintinnabulum
(tree size 1)
Megabalanus coccopoma
Megabalanus stultus
Megabalanus californicus
Megabalanus tanagrae
Megabalanus azoricus
Megabalanus concinnus
Megabalanus ajax
Megabalanus antillensis
Megabalanus clippertonensis
Megabalanus costatus
Megabalanus crispatus
Megabalanus decorus
Megabalanus dolfusii
Megabalanus dorbignii
Megabalanus galapaganus
Megabalanus giganteum
Megabalanus honti
Megabalanus hungaricus
Megabalanus javanicus
Megabalanus leganyii
Megabalanus multiseptatus
Megabalanus occator
Megabalanus peninsularis
Megabalanus plicatus
Megabalanus rosa
Megabalanus seguenzai
Megabalanus spinosus
Megabalanus transsylvanicus
Megabalanus transversostriatus
Megabalanus tulipiformis
(tree size 2)
Megabalanus validus
Megabalanus venezuelensis
Megabalanus vesiculosus
Megabalanus vinaceus
Megabalanus volcano
Megabalanus xishaensis
Megabalanus zebra
Megabalanus linzei